Answer to Question #340242 in Statistics and Probability for Benimaru30

Question

A researcher is testing the hypothesis that all teenagers spend an average of 8 hours on their computers during the weekends. He knows that the standard deviation is 0.3 hour. He selects a sample of 144 teenagers and decides to reject the null hypothesis when the sample mean is 8.5 hours or less.

A. What us the probability of that the researcher commits a type I error?

B. If the true population mean is 7 hours, what is the probability that the he commits a type II error?

C. Determine the power of test.

Answer 1

It's been a while since this question is posted here. Still, the answer hasn't been got. Consider converting this question to a fully qualified assignment, and we will try to assist. Please click the link below to proceed: Submit order