Sampling Distributions for Sample Proportions

AP Statistics· difficulty 3/5

For n = 200, p = 0.10 the sampling distribution of p̂

A
$Is approximately normal (np = 20, n(1-p) = 180 both \geq 10)$
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B
$Is heavily skewed regardless$
C
$Is uniform$
D
$Is bimodal$

Explanation

Both counts \geq 10 \to normal approximation OK.

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