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Answers for Z-values should be 2 decimals, probabilities should be 3 decimals, X-values 1 decimal. If...

Answers for Z-values should be 2 decimals, probabilities should be 3 decimals, X-values 1 decimal. If σX = the standard deviation (SD) of X and µX = the mean of X, then:

4.    

a) Find Z1 such that prob(.35 < Z < Z1) = .3231

b) Find prob(-1.2 < Z < 2.7)

c) Find prob(Z = .83)

d) Find any Z0 and Z1 such that prob(Z0 < Z < Z1) = .4444

Math   Statistics-And-Probability   
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