| Student:N/A Date: 10/22/20 |
Instructor: Mehdi Safaee Course: Fall 2020 – Elementary Statistics (MW) |
Assignment: Math 160 Homework 3 Chapter 6, 7, and 8 |
passengers. So,
adult male passengers can have a mean weight of up to
If the elevator is loaded with
adult male passengers, find the probability that it is overloaded because they have a mean weight greater than
lb. (Assume that weights of males are normally distributed with a mean of
and a standard deviation of
Does this elevator appear to be safe?
A.
randomly selected people will exceed the elevator capacity.
B.
randomly selected people will not exceed the elevator capacity.
C.
randomly selected people will never be under the weight limit.
D.
randomly selected people will always be under the weight limit.
An elevator has a placard stating that the maximum capacity is 1360 lb- or 8 passengers. So, if 8 adult male passengers can have a mean weight of up to 1360/8 = 170 pounds. If the elevator is loaded with eight adult males passengers, find the probability that it is overloaded because they have a mean weight greater than 170 lb. (Assume that weights of males are normally distributed with a mean of 176 lb and a standard deviation of 35 lb. ) Does this elevator appear to be safe?
An elevator has a placard stating that the maximum capacity is
passengers. So,
adult male passengers can have a mean weight of up to
If the elevator is loaded with
adult male passengers, find the probability that it is overloaded because they have a mean weight greater than
lb. (Assume that weights of males are normally distributed with a mean of
and a standard deviation of
Does this elevator appear to be safe?
Can you help me solve this with a TI 84? Im trying to use the “normalcdf” function
An elevator has a placard stating that the maximum capacity is 2265lb- 15 passengers. So 15 adult Male passengers can have a mean weight of up to 2265/15=151 pounds. If the elevator is loaded with 15 adult Male passengers, find the probability that is overloaded because they have a mean weight greater than 151lb. ( assume that weights of males are normally distributed with a mean of 161lb and a standard deviation of 34lb). Does this elevator appear to be safe?
The Probability that the elevator is overloaded is? Round to four decimal places as needed.
An elevator has a placard stating that the maximum capacity is
1980
lb—12
passengers. So,
12
adult male passengers can have a mean weight of up to
1980/12=165 pounds.
If the elevator is loaded with
12
adult male passengers, find the probability that it is overloaded because they have a mean weight greater than
165
lb. (Assume that weights of males are normally distributed with a mean of
171 lb
and a standard deviation of
35 lb.)
Does this elevator appear to be safe?
An elevator has a placard stating that the maximum capacity is 2445 lb—15 passengers. So, 15 adult male passengers can have a mean weight of up to 2445/15=163 pounds. If the elevator is loaded with 15 adult male passengers, find the probability that it is overloaded because they have a mean weight greater than 163 lb. (Assume that weights of males are normally distributed with a mean of 171 lb and a standard deviation of 32lb.)
The probability the elevator is overloaded is?
B. No, there is a good chance that 15 randomly selected adult male passengers will exceed the elevator capacity.
C. No, 15 randomly selected people will never be under the weight limit.
D. Yes, there is a good chance that 15 randomly selected people will not exceed the elevator capacity.
An elevator has a placard stating that the maximum capacity is 2325 lb-15 passengers. So, 15 adult male passengers can have a mean weight of up to 2325/15=155 pounds. If the elevator is loaded with 15 adult male passengers, find the probability that it is overloaded because they have a mean weight greater than 155 lb. (Assume that the weight of males are normally distributed with a mean of 160 lb. and a standard deviation of 27 lb). Does this elevator appear to be safe?
The probability that the elevator is overloaded is
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