[Answer] Two friends Andy and Bob participate in a game of bowling every week. From past experiences it is known that both friends' scores are approximately normally distributed where Andy has a mean score of 150 with a standard deviation of 30 and Bob has a mean score of 165 with a standard deviation of 15. Assuming that their scores are independent which of the following values is closest to the probability that Andy will have a greater score than Bob in a single game?

Answer: 0.33

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Two friends Andy and Bob participate in a game of bowling every week. From past experiences it is known that both friends' scores are approximately normally distributed where Andy has a mean score of 150 with a standard deviation of 30...

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