Mathematics, 10.05.2021 20:00 DM3449

In a certain community, 75% of people pass their driver's license exam on the first attempt. Assume each person's performance on the test is independent of others. Note that the number of people that fail the test before we find the 5th person to pass follows a negative binomial distribution. On average how many people do we expect to fail the test before the fifth person passes

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In a certain community, 75% of people pass their driver's license exam on the first attempt. Assume...