SAT Math Multiple Choice Question 176: Answer and Explanation

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Question: 176

11. The 2013 U.S. Census recorded the highest educational attainment of all adults aged 25 years or older in county T, one of the most educated parts of the country. The results are given in the two-way table below.

According to the data presented in the table above, if you were to choose a person at random out of the entire population aged 25 years or older in county T, what is the approximate probability that the person you chose is a man with a doctoral degree (given as a percent)?

  • A. 2%
  • B. 7%
  • C. 28%
  • D. 51%

Correct Answer: B

Explanation:

B We are looking for the probability that a randomly selected person is a man with a doctoral degree. There are 16,232 men with doctoral degrees, and 220,532 total adults aged 25 years or older. So the probability that a randomly selected person fits the category we are looking for is = 0.07 = 7%, which is (B).

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