Asked by John
A die is rolled repeatedly.
(i) Find the probability that the third time a ‘6’ shows is on the 20th roll.
(ii) Generalise this to find the probability that the kth time a ‘6’ shows is on the nth roll.
(i) Find the probability that the third time a ‘6’ shows is on the 20th roll.
(ii) Generalise this to find the probability that the kth time a ‘6’ shows is on the nth roll.
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Answered by
Joe
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