The probability that your call to a service line is answered in less than 30 seconds is
Question:
(a) If you call 10 times, what is the probability that exactly 9 of your calls are answered within 30 seconds?
(b) If you call 20 times, what is the probability that at least 16 calls are answered in less than 30 seconds?
(c) If you call 20 times, what is the mean number of calls that are answered in less than 30 seconds?
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Step by Step Answer:
Let X denote the number of calls that are answered in 30 sec...View the full answer
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Related Book For 
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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