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A consumer survey has derived the following probability distribution for the number of coffee cups drunk per day by adult New Zealanders:
No of cups
0
1
2
3
4
5
6
7
>7
Male
0.40
0.34
0.12
0.05
0.04
0.03
0.01
0.00
Female
0.47
0.35
0.08
0.06
0.02
A) Calculate the probability that, in a group comprising three men and two women, exactly two are coffee-drinkers.
B) State any assumptions you are making.
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