Problem

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Suppose that the efficacy of a certain drug is 0.56 . Consider the sampling distribution (sample size $n=120$ ) for the proportion of patients cured by this drug.
a. What is the mean of this distribution?

Answer

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Answer

Final Answer: The mean of the distribution is \(\boxed{0.56}\)

Steps

Step 1 ：The mean of the sampling distribution of a proportion is simply the true proportion in the population. In this case, the mean is the efficacy of the drug, which is 0.56.

Step 2 ：mean = 0.56

Step 3 ：Final Answer: The mean of the distribution is \(\boxed{0.56}\)

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