A bag contains 4 red and 7 blue balls. What is the probability of drawing a blue ball if the first ball drawn is red? The balls drawn are replaced into the bag.

(a) \frac {8}{11}

(b) \frac {7}{11}

(c) \frac {4}{11}

(d) \frac {7}{4}

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I’d like to ask this question from Multiplication Theorem on Probability in portion Probability of Mathematics – Class 12

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