Suppose you have a perfectly fair 10-sided die,with sample space S = {1,2,3,4,5,6,7,8,9,10}.Now suppose that the 10-sided die is rolled twice in a row.What is the probability of rolling a 9 on the second roll if a 9 was rolled on the first roll?
A)9/10
B)0
C)1/9
D)1/10

Question

Quizplus · Accepted Answer

The outcome of the second roll is independent of the outcome of the first roll. Therefore, the probability of rolling a 9 on the second roll remains 1/10, regardless of the first roll's outcome.

Suppose You Have a Perfectly Fair 10-Sided Die,with Sample Space