statisics

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A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.

  • statisics -

    Same as probability of 5 or 6 threes.

    5 threes = 1/6^5 * 5/6

    6 threes = 1/6^6

    Either-or probability found by adding the individual probabilities.

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