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According to the Sacramento Bee, Americans are not getting enough sleep per night. Assume that the distribution of sleep hours for Americans is Normal and has standard deviation 2 hours. Suppose we take many SRSs of Americans, each of size 10, and calculate the average hours of sleep per night for each sample. According to the 95 part of the 68-95-99.7 rule, 95% of all values of fall within __________ on either side of the unknown mean . What is the missing number?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9405973

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