The number of viewers ordering a particular pay-per-view program is normally distributed. 20% of the time, fewer than 20000 people order the program. Only ten percent of the time more than 28000 people order the program. What is the mean and standard deviation of the number of people ordering the program?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The number of viewers ordering a particular pay-per-view program is normally distributed. 20% of
the time, fewer than 20000 people order the program. Only ten percent of the time more than 28000 people
order the program. What is the mean and standard deviation of the number of people ordering the program?
CS Scanned with CamScanner
Transcribed Image Text:The number of viewers ordering a particular pay-per-view program is normally distributed. 20% of the time, fewer than 20000 people order the program. Only ten percent of the time more than 28000 people order the program. What is the mean and standard deviation of the number of people ordering the program? CS Scanned with CamScanner
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