Assuming a random sample from a large population, for which of the following null hypotheses and sample sizes is the large-sample z test appropriate? A)H₀: p = 0.09, n = 40 B)H₀: p = 0.1, n = 50 C)H₀: p = 0.1, n = 30 D)H₀: p = 0.4, n = 100 E)H₀: p = 0.8, n = 40

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Quizplus · Accepted Answer

The large-sample z test is appropriate when both np and n(1-p) are greater than or equal to 10. For option D, np = 40 and n(1-p) = 60, both of which are greater than 10.

Assuming a Random Sample from a Large Population, for Which