Question: 6.12 A normal random variable x has mean = 10 and standard deviation = 2. Find the probabilities of these X-values: a. X> 13.5 b.

6.12 A normal random variable x has mean = 10 and standard deviation = 2. Find the probabilities of these X-values:

a. X> 13.5

b. X <8.2

c. 9.4

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