Screenshot_1336.png Two dice are thrown together The probability that sum of the numbers
appearing on them is 9, if it is known that the number 5 always occurs
on the first dice is :
Answers (1)
@Santosh the outcome on first dice is fixed, so you need 4 on the second dice to get sum 9,that's why the probability of getting 4 on a dice is 1/6.In a way you arr throwing one dice only and you need 4 in order to get sum=9.