Unformatted text preview: A plus the number of subsets disjoint from B minus the number of subsets disjoint from {0, 1, 2, 3}. 2 7 + 2 8 − 2 6 = 128 + 256 − 64 = 320 (b). What is the probability that a randomly picked subset of {1, 2, 3, 4, 5, 6} contains exactly 3 elements? Simplify to a fraction in lowest terms. ⎛ 6⎞
⎜ 3⎟ 20 5
⎝⎠
=
Solution: 6 = 2
64 16 4. Suppose that in a race between 8 gamecocks and 12 tigers, each runner is equally likely to finish in any position. What is the probability that the 7th place finisher is the 3rd ga...
View
Full Document
 Spring '13
 Sumner
 Math, Decimals, Probability, Marble

Click to edit the document details