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A fair die is rolled repeatedly. find the expected number of rolls until all 6 faces appear.

A fair die is rolled repeatedly. find the expected number of rolls until all 6 faces appear.
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2 votes
A fair die is rolled repeatedly. find the expected number of rolls until all 6 faces appear.

User Laodao
by
8.0k points

1 Answer

3 votes
Each face has a chance of 1/6
So you beed 6 rolls
User Ohhorob
by
7.2k points
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