Mathematics

Rowan Brandt

15 May, 09:03

The usher at a wedding asked each of the 80 guests whether they were a friend of the bride or of the

groom. Here are the results:

Bride

Groom

29

30

20

Given that a randomly selected guest is a friend of the groom, find the probability they are a friend of the

bride.

P (bride groom) =

+4

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