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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 $34,180.Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3950. 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 $31,600 and $38,000?

Probability           

b. More than $44,100?

Probability           

c. Between $38,000 and $44,100?

Probability           

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