Values of probability on discrete distribution

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Reference no: EM1317768

1. There are 30 blue balls, 45 red balls, and 20 white balls in a bag of balls. What is the conditional probability of choosing a blue ball, given that a white ball was not chosen?

2. A bookcase contains 3 statistics books and 4 biology books. If 2 books are chosen at random, find the chance that both are statistics books.

Reference no: EM1317768

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