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(3) In a particular area 30% of men and 20% of women are underweight. Four men and three women work in an office. (i) Find the probability that there are (a) 0 (b) 1 (c) 2 underweight men; (d) 0 (e) 1 (f) 2 underweight women; (g) 2 underweight people in the office.
Sagot :
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