Answer to Question #12552 in Statistics and Probability for schnelks
let's get some real life answers. in dog racing there are 8 dogs in each race. to cash a quinela bet you need to pick 2 dogs and have them finish first and second (order not important). if you were to pick 3 of the 8 dogs, what is the probability that two of them will finish first and second?
P = 3 * 1/8 + 2 * 1/7 = 6/56 = approx. 10.71%
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