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A survey reported that the mean starting salary for college graduates after a three-year program was...

A survey reported that the mean starting salary for college graduates after a three-year program was $33,160.Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $4090. What percentage of the graduates have starting salaries: (Round z-score computation to 2 decimal places and the final answers to 4 decimal places.)  

a. Between $32,500 and $38,600?

Probability           

b. More than $42,900?

Probability           

c. Between $38,600 and $42,900?

Probability           

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