jackiepalomino76 jackiepalomino76

18-05-2021
Mathematics

contestada

Question 15
2 pts
The playing time X of jazz CDs has the normal distribution with mean 52 and standard deviation 7;
N(52,7).
According to the 68-95-99.7 rule, what percentage of jazz CDs play exactly 50 minutes?

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hector6943 hector6943

19-05-2021

Shejrjjsjdjejrnrnrn what is this (sorry737384 sir of

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