Q43
Posted: Tue Apr 26, 2022 6:04 pm
Q43
ohm.lumenleaming.com G + Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (a) What is the mean of the xbar sampling distribution? 40 What is the standard deviation of the xbar sampling distribution (to 3 decimal places)? 0.625 For parts b & cround to 4 decimal places: (b) What is the probability that xbar will be within 0.5 of the population mean je? 0.5762 (c) What is the probability that xbar will differ from g by more than 0.7? Submit Question
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