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A standard six-sided die is rolled twice.  What is the probability that the product of the rolls is 12?

 Nov 18, 2022
 #1
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There are 4 ways of getting a product of 12 on a toss of dice as follows:

 

[2 x 6],   [6  x  2],   [3  x  4],  [4  x  3] = 4 ways

 

The probability is: 4 / 6^2 = 4 / 36 =1 / 9

 Nov 18, 2022
 #3
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Probability of getting a 2 on one roll is 1 out of 6. If we roll the dice again it is the same probability 1 out of 6. Therefore, probability of 1/6 and 1/6 (where and means multiply), we have 1/6 X 1/6 which equals 1/36 (Multiply straight across the top and straight across the bottom). Monkey.cool

 Nov 21, 2022
edited by Joehollywood  Nov 21, 2022

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