(See Steps) In a certain college, 20% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what


Question: In a certain college, 20% of the physics majors belong to ethnic minorities.

  1. If 10 students are selected at random from the physics majors, what is the probability that exactly 6 belong to an ethnic minority?
  2. If the school has 50 physics majors this year, how many would you expect to belong to an ethnic minority?

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