Find the probability. A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting exactly four twos. Round to the nearest thousandth when necessary. 0.083 0.101 0.202 0.075
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The probability of rolling a two on a six-sided die is $p = \frac{1}{6}$. The probability of not rolling a two is $q = 1 - p = 1 - \frac{1}{6} = \frac{5}{6}$. We are rolling the die 20 times ($n=20$) and want to find the probability of getting exactly four twos Show more…
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