Asked by Murry
The distribution of the number of viewers for the American Idol television show follows a normal distribution with a mean of 27 million and a standard deviation of 10 million.
A: Have between 29 and 37 million viewers?
B: Have at least 21 million viewers?
C: Exceed 43 million viewers?
A: Have between 29 and 37 million viewers?
B: Have at least 21 million viewers?
C: Exceed 43 million viewers?
Answers
Answered by
oobleck
You can play around with Z table stuff here:
http://davidmlane.com/hyperstat/z_table.html
http://davidmlane.com/hyperstat/z_table.html
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