Question

According to a recent poll, 22% of US adults get an average of 7 or more hours of sleep per night. Assume this is the parameter value for the population. Suppose you select a simple random sample of 50 US adults and find that 20 of them get an average of 7 or more hours of sleep per night. Let p hat = the proportion in the sample who get an average of 7 or more hours of sleep per night.​

Answer 1

Answer:

$65 {25225}^{?}$

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Answer 2

Answer:

Shape : Approximately Normal

u p-hat: .22

o p-hat: .0586