For p = 0.50 and n = 100, P(p̂ ≥ 0.55) ≈

0.16 SE = 0.05; z = 0.05/0.05 = 1 → P(Z 1) ≈ 0.159.

Sampling Distributions for Sample Proportions

AP Statistics· difficulty 4/5

For p = 0.50 and n = 100, P(p̂ \geq 0.55) \approx

Explanation

SE = 0.05; z = 0.05/0.05 = 1 \to P(Z > 1) \approx 0.159.

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