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11 September, 19:18

If you roll a number cube 18 times, about how many times would you expect to roll a 4?

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  1. 11 September, 21:06
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    Rolling a 4 is has 1/6 chance of happening, since a cube has 6 sides. And since you are rolling the dice 18 times, you can expect it to land once every 6 rolls, so it's 18/6 which equals 3
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