To test H 0 : p = 0.40 versus H 1 : p 7 0.40, a simple
Question:
To test H0: p = 0.40 versus H1: p 7 0.40, a simple random sample of n = 200 individuals is obtained and x = 84 successes are observed.
(a) What does it mean to make a Type II error for this test?
(b) If the researcher decides to test this hypothesis at the a = 0.05 level of significance, compute the probability of making a Type II error if the true population proportion is 0.44. What is the power of the test?
(c) Redo part (b) if the true population proportion is 0.47.
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a If the null hypothesis is not rejected and the true proportion is gr...View the full answer
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Related Book For 
Statistics Informed Decisions Using Data
ISBN: 9780321757272
4th Edition
Authors: Michael Sullivan III
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