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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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kate lynn kate lynn
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6 years ago
The average starting salary for this year's graduates at a large university (LU) is 20,000 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 189 of the recent graduates have salaries of at least 32,240, how many students graduated this year from this university?
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FredioFredio
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6 years ago
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kate lynn Author
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6 years ago
Good timing, thanks!
loki1345
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Yesterday
This calls for a celebration Person Raising Both Hands in Celebration
kamikazekota
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2 hours ago
Helped a lot
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