The following table shows the Myers-Briggs personality preferences for a random sample of 406 people in the listed professions. E refers to extroverted and I refers to introverted.

Use the chi-square test to determine if the listed occupations and personality preferences are independent at the 0.05 level of significance.

The following table shows the Myers-Briggs personality preference and area of study for a random sample of 519 college students. In the table, IN refers to introvert, intuitive; EN refers to extrovert, intuitive; IS refers to introvert, sensing; and ES refers to extrovert, sensing.

Use a chi-square test to determine if Myers-Briggs preference type is independent of area of study at the 0.05 level of significance.

 Find the value of the chi-square statistic for the sample. (Round the expected frequencies to at least three decimal places. Round the test statistic to three decimal places.)

What are the degrees of freedom?

 Find or estimate the P-value of the sample test statistic. (Round your answer to three decimal places.)

The following table shows the number of shirts by sizes that are manufactured in a factory on a
particular week:
Extra Small=390 

Small=470

Medium=520

Large=680 

Extra Large=440

a) It was discovered that the sizing of some shirts was labelled incorrectly.
(i) Give two reasons why it would be necessary to examine a sample of the shirts produced rather than examine the entire weekly production. 
(ii) State two differences between a cluster sample and a stratified random sample in this situation. 
(iii) Using the stratified random sampling technique, calculate the number of medium shirts that will be selected if we require a sample of 375 shirts. 
(iv)State one advantage of using stratified random method for collecting this sample. 

The following table shows the Myers-Briggs personality preferences for a random sample of 406 people in the listed professions. E refers to extroverted and I refers to introverted.

Use the chi-square test to determine if the listed occupations and personality preferences are independent at the 0.05 level of significance.

1. The following table shows the inventory of blood types at a blood bank. 

Find the following probabilities from randomly selected blood donations without replacement.

a. Calculate P(At least one Type B from 4 draws) =

b. Calculate P(Type O or Rh-Positive) =

c. Calculate P(Getting a Type B, given it’s Rh-Negative) =

d. Calculate P(Getting a Rh-Positive, given it’s Type O) =

The following table shows the approximate speed of sound in air, water, and steel:
Write a program that asks the user to enter “air”, “water”, or “steel”and the
distance that a sound wave will travel in the medium. The program should then
display the amount of time it will take. You can calculate the amount of time it
takes sound to travel in air with the following formula: 
Time = Distance / 1,100
You can calculate the amount of time it takes sound to travel in water with the following formula:
Time = Distance / 4,900
You can calculate the amount of time it takes sound to travel in steel with the follow- ing
formula:
Time = Distance / 16,400

The following table shows the ages of 256 observers, distributed within eleven outlets  that are required:

First :   Choose a random sample using a 24-observers by  Microsoft Excel tool Pak

The following table shows the amount spent by four U.S. airlines to fly one available seat 1 mile in the second quarter of 2014. Set up a system and then solve using technology.

 Suppose that, on a 3,000 – mile New York to Los Angeles flight, United Continental, American, and Southwest flew a total of 240 empty seats, costing them a total of $100,920. If United Continental had three times as many empty seats as American, how many empty seats did each of these airlines carry on its flight?

United Continental                 empty seats

American                                empty seats

Southwest                                empty seats                 

The following table shows the number of people that have either 0, 1, 2 or 3 cars registered in their name, from a sample of 315 people.

a) Complete the table.

(b Find the mean number of cars owned for this sample. Give your answer to at least 2 decimal places. 

(c Find the standard deviation of cars owned for this sample. Give your answer to at least 2 decimal places. 

The following table shows the length, in meters, of the winning long jump in the Olympic Games for the indicated year. (One meter is 39.37 inches.)

The following table shows the number of shirts by sizes that are manufactured in a factory on a
particular week:
Extra Small   Small   Medium   Large   Extra Large
    390            470      520          680       440
a) It was discovered that the sizing of some shirts was labelled incorrectly.
(i) Give two reasons why it would be necessary to examine a sample of the shirts produced
rather than examine the entire weekly production.
(ii) State two differences between a cluster sample and a stratified random sample in this
situation.
(iii) Using the stratified random sampling technique, calculate the number of medium shirts
that will be selected if we require a sample of 375 shirts.
(iv)State one advantage of using stratified random method for collecting this sample.
b) Determine the level of measurement that describes the following
(i) The size of the shirt that a customer purchase
(ii) The total amount paid by the customer
(iii) The address of the factory that manufactures the shirts
c) A machine packages shirt in bags with a mean weight of 3 kg. A random sample of 20 bags
has a mean weight of 3.05 kg with a standard deviation of 0.05kg, From the data given, state the
value of a
(i) parameter
(ii) statistic

The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets.

The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets.

The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets.

solve a and b

The following table shows the rank attained by male and female officers in the New
York City Police Department (NYPD).
a)  Do these data indicate that men and women are equitably represented at all levels
of the department? Test using a p-value approach.
                           

                           Male Female
Officer               21,900 4281
Detective             4058 806
Sergeant              3898 415
Lieutenant          1333 89
Captain                  359 12
Higher ranks         218 10

b) There are far more men than women in the police force in general. However, the NYC
Police Commission has set itself certain goals with respect to the positions of the females
among its ranks. Across the females they aim to target the same proportion by rank as
they do among the males. The target proportions by category are:
(1) Officer – 70% (2) Detectives – 15% (3) Sargent – 10%
(4) Lieutenant – 3% (5) Captain – 1% (6) Higher – 1%
Conduct a test to determine whether the proportions, by rank, among the female officers
adhere to these targets. Use a 0.05 level of significance and a critical value approach.

1. The following table shows the minimum wage rates for the United States during different years.

• Write the least squares regression equation that models the data. Let x equal time in years since 1900 and let y equal minimum hourly wage.
• Use the equation to estimate the minimum hourly wage of a US worker in 2025. Show your work.

The following table shows the cumulative number of cases of SARS (severe acute respiratory syndrome) on selected days during the outbreak in 2003. Here t is time in days since the beginning of April and N is the cumulative number of cases reported by time t. 

Approximate the value of dN/dt at t=19 using the average rate of change from t=19 to t=22.
a. 155.55 cases per day
b. 144.44 cases per day
c. 133.33 cases per day
d. 122.22 cases per day

The following table shows the results of a repeated-measures analysis of variance comparing two treatment conditions with a sample of n = 12 participants. Note that several values are missing in the table. What is the missing value for SS_total? Hint – start with df to work out missing values.

The following table shows the number of hours per week supplied to a particular market by three individuals at various wage rates. Calculate the total hours per week (Q_T) supplied to the market.

                                                                                 Hours per Week

          Hourly Wage                               Q₁                Q₂                Q₃                Q_T

             $   15                                               20                  0                  0              ____

             $   16                                                25                  0                  0              ____

             $   17                                                 35                10                  0              ____

             $   18                                                 45                25                10              ____

             $   19                                                 42                40                30              ____

             $   20                                                  38                37                45              ____

        Why does the quantity supplied tend to increase with the hourly wage? Which individuals, if any, have backward-bending supply curves in the wage range shown? Does the market supply curve bend backward in the wage range shown in the table? label your answers

explain very easy way to understand 

The following table shows the total output produced in a factory at various levels of employment of labor. The firm sells each unit of output at $4 and each worker is paid a wage of $256.

Produce a table showing marginal product of labor (MP_L), revenue, marginal revenue (MR), marginal revenue product (MRP_L), and marginal profit (Mπ). Identify the number of workers needed to achieve maximized profit. 

 Workers Total output (Q)

1 116

2 236

3 360

4 482

5 5100

6 6112

7 7120

8 8122      

9 9124 

1. The following table shows the rank attained by male and female officers in the New York City Police Department (NYPD).
   1. Do these data indicate that men and women are equitably represented at all levels of the department? Test using a p-value approach.

2. There are far more men than women in the police force in general. However, the NYC Police Commission has set itself certain goals with respect to the positions of the females among its ranks. Across the females they aim to target the same proportion by rank as they do among the males. The target proportions by category are:

(1) Officer – 70%        (2) Detectives – 15%              (3) Sargent – 10%

(4) Lieutenant – 3%    (5) Captain – 1%                     (6) Higher – 1%

Conduct a test to determine whether the proportions, by rank, among the female officers adhere to these targets. Use a 0.05 level of significance and a critical value approach.

The following table shows the percent of water and the number of calories in various canned soups to which 100 g of water are added. (show all the necessary solution) Percent Water in Soups % Water Calories 83.3 28 92.3 26 91.9 39 89.4 57 89.5 57 90.5 36 91.9 32 91.7 32 a. Find the equation of the least squares line for the data. b. Use the equation in part a to find the expected number of calories in a soup that is 87% water. c. Determine the correlation coefficient of the data.

The following table shows the number of hours per week supplied to a particular market by three individuals at various wage rates. Calculate the total hours per week (Q_T) supplied to the market.

                                                                                 Hours per Week

          Hourly Wage                               Q₁                Q₂                Q₃                Q_T

             $   15                                               20                  0                  0              ____

             $   16                                                25                  0                  0              ____

             $   17                                                 35                10                  0              ____

             $   18                                                 45                25                10              ____

             $   19                                                 42                40                30              ____

             $   20                                                  38                37                45              ____

        Why does the quantity supplied tend to increase with the hourly wage? Which individuals, if any, have backward-bending supply curves in the wage range shown? Does the market supply curve bend backward in the wage range shown in the table? 

explain simple way to understand the consent thank you dear

The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets.

​

a. Construct a time series plot. What type of pattern exists in the data?

The following table shows the income, measured in thousands of dollars, from sales of a certain magazine at the start of the given year. Find an exponential model for the income where I is the income, measured in thousands of dollars, and t is the number of years since 2000. Round the parameters to the nearest hundredth.

a) I = 7.54 x 1.06^t
b) I = 7.51 x 0.52^t
c) I = 1.06 x 7.51^t
d) I = 7.54 x 0.52^t

 Understanding excess capacity

The following table shows the contents of a 4-entry TLB.

Under what scenarios would entry 2’s valid bit be set to zero?
What happens when an instruction writes to VA page 30? When would a soft ware managed TLB be faster than a hardware managed TLB?
What happens when an instruction writes to VA page 200?

The following table shows the processes that compose the production line for the manufacture of canned food. The line operates (8) Hours a day, with the aim of producing (2,400) boxes per day.

1- Draw a diagram of the sequence of production line operations.

2- Calculate the theoretical minimum number of work stations.

 3- Calculate the equilibrium efficiency of the line and the ratio Idle time for each station.

4- Distribute operations to workstations.

The following table shows the results of a survey of authors by a fictitious publishing company.

Consider the following subsets of the set S of all authors represented in the table: C, the set of successful authors; U, the set of unsuccessful authors; N, the set of new authors; and E, the set of established authors. HINT [See Example 3.]

Describe the set C ∩ N in words.

Describe the set C ∪ N in words.

Use the table to compute n(C), n(N), n(C ∩ N), and n(C ∪ N).

Does 

Question 1
The following table shows the number of shirts by sizes that are manufactured in a factory on a
particular week:
Extra small     Small            Medium    Large    Extra Large
390                470                    520         680             440

b) Determine the level of measurement that describes the following
(i) The size of the shirt that a customer purchase
(ii) The total amount paid by the customer
(iii) The address of the factory that manufactures the shirts
c) A machine packages shirt in bags with a mean weight of 3 kg. A random sample of 20 bags
has a mean weight of 3.05 kg with a standard deviation of 0.05kg, From the data given, state the
value of a
(i) parameter
(ii) statistic

r =

The following table shows the income from sales of a certain magazine, measured in thousands of dollars, at the start of the given year.

Over an initial period the sales grew at a constant rate, and over the rest of the time the sales grew at a constant percentage rate. Calculate differences and ratios to determine what these time periods are. (Round your answers to two decimal places.)

Find the growth rate or percentage growth rate, as appropriate.

The following table shows the amount spent by four U.S. airlines to fly one available seat 1 mile in the second quarter of 2014.† Set up a system and then solve using technology. HINT [See the technology note accompanying Example 1.]

The following table shows the average yearly tuition and required fees, in dollars, charged by four-year American private universities in the school year beginning in the given year.

The following table shows the price of Amazon’s Kindle 2 e-book reader. It is adapted from data available on the web.† Here time is measured in months since February 2009, when the Kindle was launched.

The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets.

The following table shows the number of shirts by sizes that are manufactured in a factory on a
particular week:
Extra Small Small Medium Large Extra Large
390 470 520 680 440

Determine the level of measurement that describes the following 
(i) The size of the shirt that a customer purchased
(ii) The total amount paid by the customer
(iii) The address of the factory that manufactures the shirts

A machine packages shirt in bags with a mean weight of 3 kg. A random sample of 20 bags
has a mean weight of 3.05 kg with a standard deviation of 0.05kg, From the data given, state the

value of a
(i) parameter [1]
(ii) statistic

The following table shows the percentage P = P(d) of the American food dollar that was spent on eating away from home (at restaurants, for example) as a function of the date d.

The following table shows the performance criteria, weights, and scores (1 = worst, 10 = best) for a new product: a thermal storage air conditioner. If management wants to introduce just one new product and the highest total score of any of the other product ideas is 800, should the firm pursue making the air conditioner?

The following table shows the approximate speed of sound in air, water, and steel: Write a program that asks the user to enter “air”, “water”, or “steel” and the distance that a sound wave will travel in the medium. The program should then display the amount of time it will take.  You can calculate the amount of time it takes sound to travel in air with the following formula:  Time = Distance / 1,100 You can calculate the amount of time it takes sound to travel in water with the following formula: Time = Distance / 4,900 You can calculate the amount of time it takes sound to travel in steel with the following formula: Time = Distance / 16,400

The following table shows the cross-classification of accounting practices (either straight line, declining balance, or both) and country (either France, Germany, or United Kingdom).

a.Set up the competing hypotheses to determine if accounting practice and country are dependent. 

b.What is the degrees of freedom for the test. 

c.Calculate the value of the test statistic ( x²)

d.Compute the p-value. 

e. Does the evidence suggest market capitalization and objective are dependent at the 1% significance level?           

The following table shows the average yearly tuition and required fees, in dollars, charged by four-year American private universities in the school year beginning in the given year.

The following table shows the price of Amazon’s Kindle 2 e-book reader. It is adapted from data available on the web.† Here time is measured in months since February 2009, when the Kindle was launched.

The following table shows the cross-classification of accounting practices (either straight line, declining balance, or both) and country (either France, Germany, or United Kingdom).

1. Set up the competing hypotheses to determine if accounting practice and country are dependent.
2. What is the degrees of freedom for the test. 
3. Calculate the value of the test statistic ( ). 
4. Compute the p-value. 
5. Does the evidence suggest market capitalization and objective are dependent at the 1% significance level? 

The following table shows the number of prescriptions a doctor wrote each day for a 36-day period. Use the median procedure for finding quartiles to find the first, second, and third quartiles for the data. After this, construct the box-and-whisker plots.

Number of Prescriptions Written per Day

8          7          11          9          10          14

12       14         12         14         14         10

14       10          8           15         8           9

10        7           14         12         7           15

9          11          13        10         12         10

16        16          10         8          15         12