Question

In: Statistics and Probability

Assume the random variable X is normally​ distributed, with mean mu=49 and standard deviation sigma=7. Find...

Assume the random variable X is normally​ distributed, with mean mu=49 and standard deviation sigma=7. Find the 10 th percentile.

Solutions

Expert Solution

Z=-1.28.............by using Z table

=(-1.28) *7 + 49

=40.04

The 10 th percentile = 40.04


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