Question: In problem 5-44, what is the probability that the sample proportion will be at least 0.45? In problem 5-44 When sampling is for a population

In problem 5-44, what is the probability that the sample proportion will be at least 0.45?

In problem 5-44

When sampling is for a population proportion from a population with actual proportion p = 0.5, using a sample of size n = 120, what is the standard deviation of our estimator P-hat?

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