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A certain manufacturer of cake, muffin, and bread mixes has [#permalink]
24 Apr 2006, 06:35
0% (00:00) correct
100% (00:00) wrong based on 2 sessions
A certain manufacturer of cake, muffin, and bread mixes has 100 buyers, of whom 50 purchase cake mix, 40 purchase muffin mix, and 20 purchase both cake mix and muffin mix. If a buyer is to be selected at random from the 100 buyers, what is the probability that the buyer will be one who purchases neither cake mix nor muffin mix?