Recall that for the same sample size the smaller the probability of a Type I error, ,
Question:
a. A Type II error occurs if the sample proportion falls less than 2.326 standard errors above the null hypothesis value, which means p̂ < 0.435.
b. When p = 0.50, a Type II error has probability 0.08. (By comparison, Example 13 found P(Type II error) = 0.02 when α = 0.05, so we see that P(Type II error) increased when P(Type I error) decreased.)
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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