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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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aggotfay aggotfay
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6 years ago
The average starting salary for this year's graduates at a large university (LU) is 30,000 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 30,400?
 b. Individuals with starting salaries of less than 15,600 receive a low income tax break. What percentage of the graduates will receive the tax break?
 c. What are the minimum and the maximum starting salaries of the middle 95 of the LU graduates?
 d. If 303 of the recent graduates have salaries of at least 43,120, how many students graduated this year from this university?
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clew0012clew0012
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6 years ago
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aggotfay Author
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6 years ago
Brilliant ツ
jbag1237
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Yesterday
Helped a lot
shangshang
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2 hours ago
Thanks
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