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What is the 30th percentile of x

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Reference no: EM132643259

A) If X is normal with mean 39 and standard deviation 12, what is the 30th percentile of X?

B) If X is normal with mean 90 and standard deviation 35, what is the lower quartile of X?

C) If X has mean 1.29 and standard deviation 0.53, what is P(X > 0)?

A. 0.0075

B. 0.4925

C. 0.9925

D. unable to be calculated with the information given

What are the answers to the following?

Reference no: EM132643259

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