A fair die is rolled. The probability that the first time occurs at the even throw is
Explanation for correct option:
Step1. Define events:
Event of getting , when a fair die is rolled
Event of not getting , when a fair die is rolled
Possible outcomes
Step2. Calculate the probability:
The probability that the first time occurs at the even throw
Even throws are two times, four times…….
Hence, Option(B) is the correct answer.