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15 April, 16:20

In a casino, the chance of winning a certain game is 14.5%. If you play the game 20 times, what's your best estimate for the number of times you would win? Round off your answer to the nearest whole number.

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  1. 15 April, 18:14
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    Expected number of wins=number of plays times the probability of winning

    w=20 (14.5/100)

    w=20 (0.145)

    w=2.9

    w≈3

    So you would expect to win 3 times out of 20 attempts (rounded to the nearest whole number of wins)
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