Essay
The number of viewers ordering a particular pay-per-view program is normally distributed.20% of the time,fewer than 20,000 people order the program.Only ten percent of the time more than 28,000 people order the program.What is the mean and standard deviation of the number of people ordering the program?
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P(X < 20,000)= 0.2,and P(X > 28,000)= 0....View Answer
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