Answer to Question #338675 in Statistics and Probability for Nyasha

Question

3. Ten married couples are in a room.

a) If two people are chosen at random find the probability that

(i) one is male and one is female, (ii) they are married to each other.

b) If 4 people are chosen at random, find the probability that 2 married couples are chosen.

c) If the 20 people are randomly divided into ten pairs, find the probability that each pair is a married couple.

Answer 1

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