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1. The number of telephone calls to emergency phone numbers per hour is assumed to follow a normal distribution with a mean of 7.5 calls per hour and a standard deviation of 2.1 calls per hour. What is the probability that between 5 and 10 calls are received per hour? (A) 0.116 (B) 0.750 (C) 0.766 (D) 0.883

1. The number of telephone calls to emergency phone numbers per hour is assumed to follow a normal distribution with a mean of 7.5 calls per hour and a standard deviation of 2.1 calls per hour. What is the probability that between 5 and 10 calls are received per hour? (A) 0.116 (B) 0.750 (C) 0.766 (D) 0.883

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1. The number of telephone calls to emergency phone numbers per hour is assumed to follow a normal distribution with a mean of 7.5 calls per hour and a standard deviation of 2.1 calls per hour. What is the probability that between 5 and 10 calls are received per hour? (A) 0.116 (B) 0.750 (C) 0.766 (D) 0.883
Transcribed Image Text:1. The number of telephone calls to emergency phone numbers per hour is assumed to follow a normal distribution with a mean of 7.5 calls per hour and a standard deviation of 2.1 calls per hour. What is the probability that between 5 and 10 calls are received per hour? (A) 0.116 (B) 0.750 (C) 0.766 (D) 0.883
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