Question: A sample of size7 will be drawn from a normal population with mean63 and standard deviation15 . (a) Is it appropriate to use the normal

A sample of size7

will be drawn from a normal population with mean63

and standard deviation15

.

(a) Is it appropriate to use the normal distribution to find probabilities forx

?

(b) If appropriate find the probability thatx

will be between53

and73

.Round the answer to four decimal places.

(c) If appropriate find the83

rd

percentile ofx

.Round the answer to two decimal places.

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