A die is thrown twice. What is the probability that the sum of the number of dots is 4 or 10?  

Expert Answers

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When a die is thrown twice, there are 36 possible outcomes.

3 of these outcomes give a sum of 4:

  • 1 and 3
  • 2 and 2
  • 3 and 1

 

3 of these outcomes give a sum of 10:

  • 4 and 6
  • 5 and 5
  • 6 and 4

Therefore, there are 6 outcomes that produce a sum of 4 or 10.

The probability is 6/36 = 1/6

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