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Assume that x has a normal distribution with mean = 13.7 and a standard deviation =...

Assume that x has a normal distribution with mean = 13.7 and a standard deviation = 2.31. Draw the appropriate regions and calculate the following:

a) P (x < 16.5)

b) P (11.7 < x < 14.5)

c) P(x > 18.2)

Math   Statistics-And-Probability   
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