A problem with a telephone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telephone company. Samples of 20 problems reported to two different offices of a telephone company and the time to clear these problems?(in minutes) from the?customers' lines are provided. Complete?(a) through?(d) below.

Score: 0 of 1 pt 1 27 of 44 (18 complete) . HW Score: 32.48%, 14.29 of 44 pts nstructor-created question Question Help A problem with a telephone line that prevents a customer from receiving or making calls is upsetting to both the customer and the telephone company. Samples of 20 problems reported to two different offices of a telephone company and the time to clear these problems (in minutes) from the customers' lines are provided. Complete (a) through (d) below. Click here to view the sample times. a. Assuming that the population variances from both offices are equal, is there evidence of a difference in the mean waiting times between the two offices? (Use a=0.05.) Let uy be the mean waiting time of the first office and u2 be the mean waiting time of the second office. Determine the hypotheses. Choose the correct answer below. DA. HO: H1=H2 O B. HO: H1 SH2 H1: 41#H2 H1:41> H2 C. HO: H1 2H2 D. HO: H1#H2 H1:H1