Question: A researcher decides to set the signifi cance level to 0.001. a. If the null hypothesis is true, what is the probability of a Type

A researcher decides to set the signifi cance level to 0.001.

a. If the null hypothesis is true, what is the probability of a Type I error?

b. If the researcher chooses a larger significance level, what will be the impact on the probability of a Type II error, assuming the alternative hypothesis is true?

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