One-proportion z-test: Test statistic: z = (p-hat minus p0) / sqrt(p0(1 minus p0)/n), used to test H0: p = p0.
How to apply it: Check conditions: random sample, 10% condition, and np0 >= 10 and n(1 minus p0) >= 10.
Course: AP Statistics · Unit: Inference for Categorical Data: Proportions
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