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suppose that x is normally distributed with mean 45 and standard deviation 10. Determine the following...

suppose that x is normally distributed with mean 45 and standard deviation 10. Determine the following

a) P(X>63.3)

b) P(X>30)

c) P(35<x<45.9)

d) find the value of a that satisfies the equation P(45-2a <X <45+2a) = 0.9516

Math   Statistics-And-Probability   
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