Question: Let p be the proportion of elements in a sample that possess a characteristic. a. What is the mean of p ? b. What is

Let p̂ be the proportion of elements in a sample that possess a characteristic.

a. What is the mean of p̂ ?

b. What is the formula to calculate the standard deviation of p̂ ?

Assume n∕N ≤ .05.

c. What condition(s) must hold true for the sampling distribution of p̂ to be approximately normal?

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