Question 4 As a part of the productivity assessment at a company, the HR manager carried out a survey and found that inclusive of overtime, the amount of time spent at work per week follows a normal distribution with u=35 hours and s? =4 hours. a. Calculate the probability that an employee selected at random will work less than 40 hours. b. Calculate the probability that an employee selected at random will work between 35 and 45 hours.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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Question 4
As a part of the productivity assessment at a company, the HR manager carried out a survey and
found that inclusive of overtime, the amount of time spent at work per week follows a normal
distribution with u=35 hours and s? =4 hours.
a. Calculate the probability that an employee selected at random will work less than 40 hours.
b. Calculate the probability that an employee selected at random will work between 35
and 45 hours.
Transcribed Image Text:Question 4 As a part of the productivity assessment at a company, the HR manager carried out a survey and found that inclusive of overtime, the amount of time spent at work per week follows a normal distribution with u=35 hours and s? =4 hours. a. Calculate the probability that an employee selected at random will work less than 40 hours. b. Calculate the probability that an employee selected at random will work between 35 and 45 hours.
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