(b) A telephone exchange receives an average of 5 calls per minute. Calculate the probability that, in a given minute, the exchange receives: (i) exactly 5 calls; (ii) 2 calls or fewer.
(b) A telephone exchange receives an average of 5 calls per minute. Calculate the probability that, in a given minute, the exchange receives: (i) exactly 5 calls; (ii) 2 calls or fewer.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section7.1: Percents And Fractions
Problem 29E
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please answer this and include working out and explinations. many thanks for your time
![(b) A telephone exchange receives an average of 5 calls per minute. Calculate
the probability that, in a given minute, the exchange receives:
(i) exactly 5 calls;
(ii) 2 calls or fewer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F955e192e-949b-43db-b1bc-9e4d5aa0185f%2F2850c990-4f04-4115-b036-886e56f20e6e%2Fhad7nn_processed.png&w=3840&q=75)
Transcribed Image Text:(b) A telephone exchange receives an average of 5 calls per minute. Calculate
the probability that, in a given minute, the exchange receives:
(i) exactly 5 calls;
(ii) 2 calls or fewer.
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