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The average starting salary for this year's graduates at a large university (LU) is $50,000 with a standard deviation of $8,000. Furthermore, it is known that the starting salaries are normally distributed.
a. What is the probability that a randomly selected LU graduate will have a starting salary of at least $62,500?
b. Individuals with starting salaries of less than $38,600 receive a low income tax break. What percentage of the graduates will receive the tax break? involving standard deviation
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