What is the probability that a red marble is chosen

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Box A contains 3 red and 2 blue marbles while box B contain 2 red and 8 blue marbles. A fair coin is tossed. If the coin turns up heads , a marbles is drawn from A, if it turns up tails, a marbles is drawn from bag B. What is the probability that a red marble is chosen?

Reference no: EM132039847

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