n a growing industry, the mean number of hours of productivity lost by employees per week due to online social media engagement is 8 hours, with a standard deviation of 2.1 hours. Note: Assume the population data is normally distributed. a. What is the probability that an employee will lose more than 10 hours of productivity due to online social media engagement? P(X > 10)= Round to four decimal places if necessary b. What is the probability that 11 employees will lose more than 9 hours of productivity due to online social media engagement? P( X̄ > 9)= Round to four decimal places if necessary

n a growing industry, the mean number of hours of productivity lost by employees per week due to online social media engagement is 8 hours, with a standard deviation of 2.1 hours. Note: Assume the population data is normally distributed. a. What is the probability that an employee will lose more than 10 hours of productivity due to online social media engagement? P(X > 10)= Round to four decimal places if necessary b. What is the probability that 11 employees will lose more than 9 hours of productivity due to online social media engagement? P( X̄ > 9)= Round to four decimal places if necessary

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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Question

In a growing industry, the mean number of hours of productivity lost by employees per week due to online social media engagement is 8 hours, with a standard deviation of 2.1 hours.

Note: Assume the population data is normally distributed.

a. What is the probability that an employee will lose more than 10 hours of productivity due to online social media engagement?

P(X > 10)=

Round to four decimal places if necessary

b. What is the probability that 11 employees will lose more than 9 hours of productivity due to online social media engagement?

P( X̄ > 9)=

Round to four decimal places if necessary

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