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What is a sum in probability?

Updated: 10/18/2022
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13y ago

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The sum of the probability of success and the probability of failure

had better equal 1.00 (100%) or an error has been committed.

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13y ago
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Q: What is a sum in probability?
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What is the sum of probability that something will happen and the probability that something will NOT happen?

The sum is 1


What is the probability that the sum is a prime number?

The answer depends on the sum of WHAT!


What is the probability that the sum of the faces is 7?

The probability that the sum of two dice is 7 is 6 in 36, or 1 in 6.Of all the combinations, this is the one with the highest probability.


When two dice are rolled find the probability of getting a 6 or 7?

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What is the probability of not rolling sum of 6 with two fair dice?

The probability of not rolling a sum of six with two fair dice is 1 minus the probability of rolling a sum of six. There are 36 permutations of rolling two dice. Of these, five sum to six, 1+5, 2+4, 3+3, 4+2, and 5+1. The probability, then of rolling a sum of six is 5 in 36. The probability, then of not rolling a sum of six is 31 in 36, or about 0.8611.


What is the probability of rolling a sum of 10 or a sum that is an odd number when two number cubes are rolled?

The probability is 21/36 = 7/12


What is the probability of rolling the sum of two if you roll a pair of dice sixty times?

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What is the relationship between the probability of an event and its compliment?

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The probability is 25/216 = 0.1157, approx.


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