2 years ago

Carrie rolls 2 fair dice and adds the results from each. Work out the probability of getting a total of 9

Mathematics

1 answer:

Andru [333]2 years ago

7 0

Answer:

Probability of a sum of 9 = 0.111111

Probability of a sum of 9 = 1/9

Step-by-step explanation:

Carrie rolls 2 fair dice and adds the results from each.

The total sample space = 36

Gotten from 6²= 36

The probability of getting a total of 9

Now let's look at the possible sum to give us a 9 (3 and 6, 4 and 5) twice.

So we gave number of occurrence of 9 to be four.

Probability of a sum of 9 = 4/36

Probability of a sum of 9 =1/9

Probability of a sum of 9 = 0.111111

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