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A Sample of 25 Observations Is Taken from an Infinite pˉ\bar { p }

Question 98

Multiple Choice

A sample of 25 observations is taken from an infinite population.The sampling distribution of pˉ\bar { p } is


A) not normal since n < 30
B) approximately normal because pˉ\bar { p } is always normally distributed
C) approximately normal if np ≥\geq 5 and n(1-P) ≥\geq 5
D) approximately normal if np > 30 and n(1-P) > 30

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