Mathematics, 13.03.2020 05:00 tolantyler365

A man with 5 keys wants to open his door and tries the keys at random. Exactly one key will open the door. Determine the probability distribution of random variable X if X is the number of trials required to open the door. Assume that unsuccessful keys are NOT eliminated from future trial.

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A man with 5 keys wants to open his door and tries the keys at random. Exactly one key will open the...