Question
A biologist hypothesizes that the mean life expectancy of a cockroach is 17 days. Researchers believe the true mean is less than 17 days and
A biologist hypothesizes that the mean life expectancy of a cockroach is 17 days. Researchers believe the true mean is less than 17 days and they plan a hypothesis test at the 10% significance level on a random sample of 80 of these cockroaches. If the alternative hypothesis is correct, for which of the following values of is the power of the test greatest?
= 9
= 10
= 17
= 20
= 21
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The Art And Craft Of Problem Solving
Authors: Paul Zeitz
3rd Edition
1119094844, 9781119094845
