Problem 13 Question Help The IRS is concerned with improving the accuracy of tax information given by its representatives over the telephone Previous studies involved asking a set of 25 questions of a large number of IRS telephone representatives to determine the proportion of correct responses, Historically, the average proportion of corred responses has been 74 percent. Recently, IRS representatives have been receiving more training On April 26, the set of 25 tax questions were again asked of 20 randomly selected IRS tolophone representatives. The proportions of correct answers were 20,21 19 16, 22, 16, 21, 22, 17.22. 22. 16, 22, 15, 21,15,23, 18, 21, and 15 a. What are the upper and lower control limits for the appropriate p chart for the IRS? Use z = 3 The Ual, equals and the Cloquals (0Ender your responses rounded to four cocimal proces. We your answer tor LC, is negative, enter till value as 0)