many hours per week they spend on the phone The sample mean

Last updated: 12/4/2023

many hours per week they spend on the phone The sample mean was 4 75 hours with a sample standard deviation of 2 0 Conduct a hypothesis test The null and alternative hypotheses are as follows a Ho x 4 5 H x 4 5 b Ho uz 4 5 Hg 4 5 c Ho p 4 75 Ha p 4 75 d Ho p 4 5 H 4 5 9 2 Outcomes and the Type I and Type II Errors 66 State the Type I and Type Il errors in complete sentences given the following statements a The mean number of years Americans work before retiring is 34