SOLUTION: 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 o
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Question 1121046: 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 equals=75, find the probability of a sample mean being greater than 216 if μ=215 and σ=6.1 ______
(Round to four decimal places as needed.)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z>(x bar-mean)/sigma/sqrt(n)
>(216-215)/6.1/sqrt(75)
>1*sqrt(75)/6.1
>1.42
Probability z>1.42 is 0.0778
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