(Answered) Question four persons are to be selected from a group of 12

Statistics

Question: Four persons are to be selected from a group of 12 people, 7 of whom are women.

a. What is the probability that the first and third selected are women?

b. What is the probability that three of those selected are women?

c. What is the (conditional) probability that the first and third selected are women, given that three of those selected are women?

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