Question

a pair of dice is thrown simultaneously find the probability of getting the sum as a prime number​

Answer 1

Answer:

We find this number by multiplying 6 x 6. The logic is there are six sides to each die, so for each number on one die you can pair with six different numbers

Step-by-step explanation:

We find this number by multiplying 6 x 6. The logic is there are six sides to each die, so for each number on one die you can pair with six different numbers on the other die. Therefore, the probability of rolling a prime number on two dice is 15/36, which reduces to 5/12 (E).May 18, 2011

Answer 2

Answer:

5/12

Step-by-step explanation:

Favorable outcomes for sum as prime are

(1,1),(1,2),(1,4),(1,6),(2,3),(2,3),(2,5),(3,2),(3,4),(4,1),(4,3),(5,2),(5,6),(6,1),(6,5)

Number of favorable outcomes = 15

Hence, the probability of getting the sum as a prime number =  15/36

                                                                                                      =  5/12

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