SOLUTION: Two fair dice are rolled. What is the probability of getting a sum of at least 7? What is the probability of getting a sum as a prime number?
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Question 326969: Two fair dice are rolled. What is the probability of getting a sum of at least 7? What is the probability of getting a sum as a prime number? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Two fair dice are rolled. What is the probability of getting a sum of at least 7? What is the probability of getting a sum as a prime number?
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Total number of sums: 36
sum of 3: 2
sum of 5: 4
sum of 7: 6
sum of 8: 5
sum of 9: 4
sum of 10:3
Sum of 11:2
Sum of 12:1
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P(sum of >=7) = 21/36
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P(sum = prime #) = 14/36
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Cheers,
Stan H.
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