Answered

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Suppose x has a normal distribution with mean 80 and standard deviation 5. What is the 90th percentile of x?.

Sagot :

varshamittal029

If x has a normal distribution with mean 80 and standard deviation 5 then the 90th percentile of x is 70.

A normal distribution with mean 80 and standard deviation 5

We need to find the  90th percentile of x

Computing values to standard deviation from mean,

Lower limit = mean - 2s

                 = 80 - 2(5)

                 = 80 - 10

Lower limit = 70

Hence, if x has a normal distribution with mean 80 and standard deviation 5 then the 90th percentile of x is 70.

To learn more about standard deviation refer here

brainly.com/question/12402189

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