The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

For a sample of n=65, find the probability of a sample mean being greater than 213 if μ=212 and σ=3.5.

For a sample of n=65, find the probability of a sample mean being greater than 213 if μ=212 and σ=3.5.

For a sample of n=65, the probability of a sample mean being greater than 213 if μ=212 and σ=3.5 is 77.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

would

would

would not

be considered unusual because it

does not lie

lies

does not lie

within the range of a usual event, namely within

2 standard deviations

1 standard deviation

2 standard deviations

3 standard deviations

of the mean of the sample means.

The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

For a sample of n=70, find the probability of a sample mean being greater than 213 if μ=212 and σ=5.8.

For a sample of n=70, the probability of a sample mean being greater than 213 if μ=212 and σ=5.8 is nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would

would not

be considered unusual because it

▼

does not lie

lies

within the range of a usual event, namely within

▼

1 standard deviation

2 standard deviations

3 standard deviations

of the mean of the sample means.

For a sample of n=70, find the probability of a sample mean being greater than 213 if μ=212 and σ=5.8.

For a sample of n=70, the probability of a sample mean being greater than 213 if μ=212 and σ=5.8 is nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would

would not

be considered unusual because it

▼

does not lie

lies

within the range of a usual event, namely within

▼

1 standard deviation

2 standard deviations

3 standard deviations

of the mean of the sample means.

The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

For a sample of

n=61,

find the probability of a sample mean being less than

25.1

if

μ=25

and

σ=1.21.

LOADING…

Click the icon to view page 1 of the standard normal table.

LOADING…

Click the icon to view page 2 of the standard normal table.

For a sample of

n=61,

the probability of a sample mean being less than

25.1

if

μ=25

and

σ=1.21

is

nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would not

would

be considered unusual because it has a probability that is

▼

less

greater

than 5%.

The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

For a sample of

n=63,

find the probability of a sample mean being less than

19.9

if

μ=20

and

σ=1.34.

LOADING…

Click the icon to view page 1 of the standard normal table.

LOADING…

Click the icon to view page 2 of the standard normal table.

For a sample of

n=63,

the probability of a sample mean being less than

19.9

if

μ=20

and

σ=1.34

is

nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would

would not

be considered unusual because it has a probability that is

▼

greater

less

than 5%.

The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

For a sample of

n=68,

find the probability of a sample mean being less than

19.5

if

μ=20

and

σ=1.27.

LOADING…

Click the icon to view page 1 of the standard normal table.

LOADING…

Click the icon to view page 2 of the standard normal table.

For a sample of

n=68,

the probability of a sample mean being less than

19.5

if

μ=20

and

σ=1.27

is

nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would not

would

be considered unusual because it has a probability that is

▼

greater

less

than 5%.

For a sample of

n=64,

find the probability of a sample mean being less than

23.2

if

μ=23

and

σ=1.34.

LOADING…

Click the icon to view page 1 of the standard normal table.

LOADING…

Click the icon to view page 2 of the standard normal table.

For a sample of

n=64,

the probability of a sample mean being less than

23.2

if

μ=23

and

σ=1.34

is

nothing.

(Round to four decimal places as needed.)

The population mean and standard deviation are given below. Find the required probability and determine whether the given sample mean would be considered unusual.

For a sample of n=65, find the probability of a sample mean being greater than 213 if μ=212 and σ=3.5.

For a sample of n=65, the probability of a sample mean being greater than 213 if μ=212 and σ=3.5 is nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would

would not

be considered unusual because it

▼

lies

does not lie

within the range of a usual event, namely within

▼

1 standard deviation

2 standard deviations

3 standard deviations

of the mean of the sample means.

For a sample of n=65, find the probability of a sample mean being greater than 213 if μ=212 and σ=3.5.

For a sample of n=65, the probability of a sample mean being greater than 213 if μ=212 and σ=3.5 is nothing.

(Round to four decimal places as needed.)

Would the given sample mean be considered unusual?

The sample mean

▼

would

would not

be considered unusual because it

▼

lies

does not lie

within the range of a usual event, namely within

▼

1 standard deviation

2 standard deviations

3 standard deviations

of the mean of the sample means.

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