Consider Example 13 about testing H0: p = 1/3 against Ha: p > 1/3 for the astrology
Question:
a. The standard error is 0.061 when H0 is true.
b. The rejection region consists of p̂ values above 0.433.
c. When p = 0.50, the probability that p̂ falls below 0.433 is the left-tail probability below -1.03 under a standard normal curve. What is the answer? Why would you expect P(Type II error) to be larger when n is smaller?
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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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