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receive extra credit if they watch more than 111 minutes. What is the probability that students receive extra credit? O 0.1425 0.8925 0.8651 O 0.1075 O 0.1349

receive extra credit if they watch more than 111 minutes. What is the probability that students receive extra credit? O 0.1425 0.8925 0.8651 O 0.1075 O 0.1349

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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The time Business students spend watching the stock market on TV each week follows a normal distribution, with a mean of 79 minutes and a standard deviation of 29 minutes. The students will receive extra credit if they watch more than 111 minutes. What is the probability that students receive extra credit? O 0.1425 0.8925 0.8651 0.1075 0.1349
Transcribed Image Text:The time Business students spend watching the stock market on TV each week follows a normal distribution, with a mean of 79 minutes and a standard deviation of 29 minutes. The students will receive extra credit if they watch more than 111 minutes. What is the probability that students receive extra credit? O 0.1425 0.8925 0.8651 0.1075 0.1349
Expert Solution
Step 1

It is given that 

Mean, μ = 79

Standard deviation, σ = 29

Z-Score, Z = ( X - μ )/σ

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