Suppose a random sample of n 25 observationsis selected
Chapter 7, Problem 25(choose chapter or problem)
Suppose a random sample of n 25 observationsis selected from a population that is normally distributedwith mean equal to 106 and standard deviationequal to 12.a. Give the mean and the standard deviation of thesampling distribution of the sample mean x.b. Find the probability that x exceeds 110.c. Find the probability that the sample mean deviatesfrom the population mean m 106 by no morethan 4.
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