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  3. each time draw 6 different numbers from 1 ~ 45 ran

Each time draw 6 different numbers from 1 ~ 45 randomly Let M denote the times...

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Advance Math

Each time draw 6 different numbers from 1 ~ 45 randomly

Let M denote the times you have to draw such that all the numberfrom 1~45 has been drawn
What's the expected number of M.

please explain thoroughly. Thanks.

Answer & Explanation Solved by verified expert
4.0 Ratings (497 Votes)
Permutation and Combination are two different Defination whichare used while we have to pick some things    See Answer
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