Outcomes and the Type I and Type II Errors · Exercise 9
A microbiologist is testing a water sample for E-coli. Suppose the null hypothesis, H_0, is: the sample does not contain E-coli. The probability that the sample does not contain E-coli, but the microbiologist thinks it does is 0.012. The probability that the sample does contain E-coli, but the microbiologist thinks it does not is 0.002. What is the power of this test?
OpenStax, Introductory Statistics 2e · §9.2 Outcomes and the Type I and Type II Errors · Exercise 9
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