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C. The operators who place the top .83% Of the accepted call duration range are awarded a special bonus package. So, what is the minimum average call duration you should try to achieve if you want to receive the bonus package? Answer in exact fraction, or rounded to at least 2 decimal places. minutes

C. The operators who place the top .83% Of the accepted call duration range are awarded a special bonus package. So, what is the minimum average call duration you should try to achieve if you want to receive the bonus package? Answer in exact fraction, or rounded to at least 2 decimal places. minutes

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A call center recruites operators on a 2 week probationary period before hiring a select group as permanent employees. The average time spent per call by the operators is known to follow a normal distribution with a mean of 32 minutes and a standard deviation of 9 minutes. Operators with average call durations between 25 minutes and 49 minutes during the probationary period get hired in permanent positions; and the rest are fired. a. What is the probability that a randomly selected operator will get fired after the probationary period? Answer in exact fraction, or rounded to at least 4 decimal places. b. Determine the 77 percentile value for the call duration Answer in exact fraction, or rounded to at least 2 decimal places. minutes c. The operators who place within the top 8.83% of the accepted call duration range are awarded a special bonus package. So, what is the minimum average call duration you should try to achieve if you want to receive the bonus package? Answer in exact fraction, or rounded to at least 2 decimal places. minutes
Transcribed Image Text:A call center recruites operators on a 2 week probationary period before hiring a select group as permanent employees. The average time spent per call by the operators is known to follow a normal distribution with a mean of 32 minutes and a standard deviation of 9 minutes. Operators with average call durations between 25 minutes and 49 minutes during the probationary period get hired in permanent positions; and the rest are fired. a. What is the probability that a randomly selected operator will get fired after the probationary period? Answer in exact fraction, or rounded to at least 4 decimal places. b. Determine the 77 percentile value for the call duration Answer in exact fraction, or rounded to at least 2 decimal places. minutes c. The operators who place within the top 8.83% of the accepted call duration range are awarded a special bonus package. So, what is the minimum average call duration you should try to achieve if you want to receive the bonus package? Answer in exact fraction, or rounded to at least 2 decimal places. minutes
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