Question

CORO
(i) Two dice are rolled simultaneously. Find the probability of the following events.
(1) The sum of the digits on the upper surface is a prime number.
(2) The product of the digits on the upper surface is 12.
(3) The digit on the first die is greater than the digit on the second die.​

Answer 1

Answer:

1. no of favouable outcomes= (1+1, 1+2,1+4,1+6,2+1,2+3,2+5,3+2,3+4,4+1,5+2,5+6)12

total no. of outcomes=36

probability =12/36=1/3

2. no. of fav. out. =(6+6)1

total no. of outcomes = 36

probability = 1/36

3. no of favourable outcome = (1+2, 2+3,3+4,4+5,5+6)5

total no. of outcomes = 36

probability = 5/36

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