aftershock5767 aftershock5767
  • 11-01-2019
  • Mathematics
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Two number cubes are rolled. Wha is the probability that the sum of the numbers rolled is either a 7 or an 11

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40131
40131 40131
  • 11-01-2019

Answer:

2/9

Step-by-step explanation:

Look at the image with the 36 possible outcomes.  


There are 6 ways to make a sum of 7:  

1+6, 2+5, 3+4, 4+3, 5+2, 6+1  


There are 2 ways to make a sum of 11:  

5+6, 6+5  


That's a total of 8 ways out of 36 possible outcomes.  


P(7 or 11) = 8/36 = 2/9  


Answer:  

2/9

hope it helped


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