Exam-Style Problem

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June 2015 p63 q4
2926

A pet shop has 9 rabbits for sale, 6 of which are white. A random sample of two rabbits is chosen without replacement.

  1. Show that the probability that exactly one of the two rabbits in the sample is white is \(\frac{1}{2}\).
  2. Construct the probability distribution table for the number of white rabbits in the sample.
  3. Find the expected value of the number of white rabbits in the sample.
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