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=66​, find the...




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=66​,

find the probability of a sample mean being less than
22.2

if
μ=22

and
σ=1.25.





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Part 1

For a sample of
n=66​,

the probability of a sample mean being less than
22.2

if
μ=22

and
σ=1.25

is
enter your response here

.


​(Round to four decimal places as​ needed.)




Jun 08, 2022
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