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Two standard number cubes are rolled. Find each probability.

15. P(a sum equal to 2)

Sagot :

There are 6 possibilities for each cube (a number between 1 and 6). This means there are 36 total combinations that can occur. The only combination resulting in a sum of two is a one on each die. This will happen 1 time out of 36, so the probability is 1/36.

The probability of the event when standard number cubes are rolled and then the sum equals 2 is 1/36.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

As two standard number cubes are rolled.

Total number of total outcomes = 36

On each cube, there are 1 to 6 numbers mentioned hence the total number of combinations will be 6×6 = 36

Total number of favorable outcomes = 1

Because there is only one set of pairs possible that is (1, 1) whose sum is 2

Now the probability:

P(a sum equal to 2) = 1/36

Thus, the probability of the event when standard number cubes are rolled and then the sum equals 2 is 1/36.

Learn more about the probability here:

brainly.com/question/11234923

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