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Mathematics, 05.05.2020 18:11 jlink6836

An entomologist hypothesizes that the mean life expectancy of a particular species of insect is 12.5 days. Researchers believing that the true mean is less than 12.5 days plan a hypothesis test at the 5% significance level on a random sample of 50 of these insects.

(a) If the alternative hypothesis is correct, for which values of μ will the power of the test be greatest?

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