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Ten 6-sided dice are rolled. What is the probability that exactly three of the dice show a 1? Express your answer as a decimal rounded to the nearest thousandth.

 Dec 6, 2020
 #1
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[10 C 3] * 5^7 / 6^10 ==0.155

 Dec 6, 2020
 #2
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(10 nCr 3) * (1/6)^3 * (5/6)^7 =0.155

 Dec 6, 2020

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