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  • one year ago

seven performers A,B,C,D,E,F and G are to appear in a talent contest. the order of appearance is by random selection. find the probability of the following events: a. C will perform first b. F or G will perform first c. they will appear in the order C,D,E,A,B,F,G

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  1. anonymous
    • one year ago
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    a 1/7 b 2/7 c 1/5040 since there are 7! ways to order the letters, and C,D,E,A,B,F,G is one of the 5040 ways to order the problem.

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