Fowle marketing research, inc.. bases charges to a client on the assumption that telephone surveys can be completedwithin 15 minutes or less. if more time is required. a premium rate is charged. with a sample of 35 surveys, a populationstandard deviation of 4 minutes, and a level of significance of .01, the sample mean will be used to test the null hypothesish0: u s 15.a. what is your interpretation of the type ii error for this problem? what is its impact on the firm? b. what is the probability of making a type ii error when the actual mean time is u = 17 minutes? c. what is the probability of making a type ii error when the actual mean time is u = 18 minutes? d. sketch the general shape of the power curve for this test.