Question

When 3 dice are rolled what is the probability of getting a sum of 15?

Answer 1

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Answer 2

Answer: 5/108

Step-by-step explanation:

Total no. Of possible outcomes on rolling 3 dice : 6^3 = 216

Possible no.s:

4,5,6

5,5,5

3,6,6

4,5,6 can be arranged in 3! Ways so 6cases

5,5,5 can be arranged in 1 way

3,6,6 can be arranged in 3!/2! Ways that is 3 ways

Total ways: 6+1+3= 10

P = 10/216 = 5/108