A researcher plans to conduct a test of hypotheses at the α = 0.10 significance level. She designs her study to have a power of 0.70 at a particular alternative value of the parameter of interest. The probability that the researcher will commit a Type I error is

Question

A researcher plans to conduct a test of hypotheses at the α = 0.10 significance level. She designs her study to have a power of 0.70 at a particular alternative value of the parameter of interest.  The probability that the researcher will commit a Type I error is

perl · Answer

the alpha is the probability the researcher will commit a type I error.