Inferring population mean from sample mean
10:03
Inferring population mean from sample mean
Feb 20, 2011
Khan AcademySal Khan
SOLVED: 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 218 if μ=217 and σ=3.4.For a sample of n=65, the probability of a sample mean being greater than 218 if μ=217 and σ=3.4 is (Round to four decimal places as needed.)
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