Each of n>= 2 people puts his or her name on a slip of paper (no two have the same name). The slips of paper are shu?ed in a hat, and then each person draws one (uniformly at random at each stage,...

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Each of n>= 2 people puts his or her name on a slip of paper (no two have the same name). The slips of paper are shu?ed in a hat, and then each person draws one (uniformly at random at each stage, without replacement). Find the average number of people who draw their own names.

Answered Same DayDec 26, 2021

Answer To: Each of n>= 2 people puts his or her name on a slip of paper (no two have the same name). The slips...

David answered on Dec 26 2021

128 Votes

TT_646376_57
There are n people who write their names and put in a box. They are shuffled and
drawn without replacement one by one.
Average of the persons who draw their own names should be calculated.
First person will have n names to drawn and probability for drawing his name is
1/n....

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Each of n>= 2 people puts his or her name on a slip of paper (no two have the same name). The slips of paper are shu?ed in a hat, and then each person draws one (uniformly at random at each stage,...

Answer To: Each of n>= 2 people puts his or her name on a slip of paper (no two have the same name). The slips...

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