﻿ In a hurdle race, a runner has probability p of jumping over a specific hurdle. Given that in 5 trials, the runner succeeded 3 times, the conditional probability that the runner had succeeded in the first trial is : Kaysons Education

In A Hurdle Race, A Runner Has Probability P Of Jumping Over A Specific Hurdle. Given That In 5 Trials, The Runner Succeeded 3 Times, The Conditional Probability That The Runner Had Succeeded In The First Trial Is

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Question

Solution

Correct option is

3/5

Let A denote the event that the runner succeeds exactly 3 times out of five and B denote the event that the runner succeeds on th first trial.

But P(B ∩ A) = P (succeeding in the first trial and exactly once in two other trials)

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