Mathematics, 03.01.2020 03:31, squawk1738

Which of the following conditions must be met if you want to use z-procedures to construct a confidence interval for a population proportion?

a. the sample size must be at least 30 (some texts say 50).
b the population must be at least 10 times as large as the sample (some texts say 20).
c. both npˆ and n(1 − pˆ) must be at least 10 (some texts say greater than 5).

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Which of the following conditions must be met if you want to use z-procedures to construct a confide...