At a large government office center in Chicago, it has been found out that the time employees spend on the phone each day for business purposes has a normal distribution with mean 47 mins and standard deviation of 10 mins If an employee is selected at random, what is the probability of the following: a. from 27 to 67 mins in phone each day? b. from 37 to 57 on the phone each day? c. 47 or fewer minutes on phone each day?
At a large government office center in Chicago, it has been found out that the time employees spend on the phone each day for business purposes has a normal distribution with mean 47 mins and standard deviation of 10 mins If an employee is selected at random, what is the probability of the following: a. from 27 to 67 mins in phone each day? b. from 37 to 57 on the phone each day? c. 47 or fewer minutes on phone each day?
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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