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Yan rolls  7 standard six-sided dice. What is the probability that at least one pair of her dice has sum 7? Express your answer as a decimal to the nearest thousandth.

 Jul 16, 2022
 #1
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The probability is 0.786.

 Jul 16, 2022
 #2
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0.943 is the answer

 Jul 16, 2022
edited by InteleonVmax  Jul 16, 2022
 #3
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InteleonVmax: Where did you get the answer from? 

 

From my computer, I got:

 

263,970 / 6^7 ==0.942965534............

 Jul 16, 2022
 #4
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It says "Express your answer as a decimal to the nearest thousandth." so it'd be 0.943.

InteleonVmax  Jul 16, 2022

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