Question: 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

Problem 13 Question Help The IRS is concerned
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 Rstolophone representatives to determine the proportion of correct responses. Historically, the average proportion of correct responses has been 71 percent. Recently, I representatives have been receiving more training on April 26, the set of 25 tax questions were again asked of 20 randomly selected IRS telephone representatives. The proportions of correct answers were 15,8, 19, 21, 17, 16, 2415, 17, 18, 22, 17.22, 15, 21, 21, 23, 16, 21, and 16. a. What we the upper and lower controllimits for the appropriate p-chart for the IRS? U ZE 3. The UCI, 30.5025 and the LCL, 52075(Enter your responses rounded to four decimal places. If your answer for LC, is negative, enter this value as 0)

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