Please help Calls to a customer service center last on average 2.6 minutes with a standard deviation of 1.2 minutes. An operator in the call center is required to answer 89 calls each day. Assume the call times areindependent.a. What is the expected total amount of time in minutes the operator will spend on the calls each day? Give an exact answer. 231.4b. What is the standard deviation of the total amount of time in minutes the operator will spend on the calls each day? Give your answer to four decimal places.c. What is the approximate probability that the total time spent on the calls will be less than 226 minutes? Give your answer to four decimal places. Use the standard deviation as you entered it above to answerthis question. 0.3186Xd. What is the value c such that the approximate probability that the total time spent on the calls each day is less than c is 0.97? Give your answer to four decimal places. Use the standard deviation as youentered it above to answer this question.Xx

Mean=2.6, standard deviations=1.2

Calls to a customer service center last on average 2.6 minutes with a standard deviation of 1.2 minutes. An operator in the call center is required to answer 89 calls each day. Assume the call times are independent. a. What is the expected total amount of time in minutes the operator will spend on the calls each day? Give an exact answer. 231 4 b. What is the standard deviation of the total amount of time in minutes the operator will spend on the calls each day? Give your answer to four decimal places. x c. What is the approximate probability that the total time spent on the calls will be less than 226 minutes? Give your answer to four decimal places. Use the standard deviation as you entered it above to answer this question. 0.3186 ralls each day is less than c is 0.977 Give your answer to four decimal places. Use the standard deviation as you

Calls to a customer service center last on average 2.6 minutes with a standard deviation of 1.2 minutes. An operator in the call center is required to answer 89 calls each day. Assume the call times are independent. a. What is the expected total amount of time in minutes the operator will spend on the calls each day? Give an exact answer. 231 4 b. What is the standard deviation of the total amount of time in minutes the operator will spend on the calls each day? Give your answer to four decimal places. x c. What is the approximate probability that the total time spent on the calls will be less than 226 minutes? Give your answer to four decimal places. Use the standard deviation as you entered it above to answer this question. 0.3186 ralls each day is less than c is 0.977 Give your answer to four decimal places. Use the standard deviation as you

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 3CYU

See similar textbooks