T102 CHAP 9 REVIEW

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Unformatted text preview: ind the number of different ways that four flags can be displayed on a flagpole, one above the other, if ten different flags are available. 58) A club consists of ten members. In how many different ways can a group of four people be selected to go on an African Safari? T102 Chapter 9 Review Page 6 Answer Key Testname: T102 CHAP 9 REVIEW 1) P(down) = 0.389 P(up) = 0.611 No they do not appear to be equally likely 2) a) beacuse P(G) is negative and b) because the sum is greater than 1 3) a. P(E ∪ F) = 5/6 and P(E) + P(F) = 1 because there is an intersection b. P(E ∩ G) = 1 and P(E) + P(G) = 1 because they are mutually exclusive 4) 12/52 · 11/51 = 11/221 5) a. drawing not listed b. 1/6 c. 3/4 6) a. 1/2 b. 1/2 (0 heads is even) c. 1/2 7) A C B P(A) = 1/6 P(B) = 1/3 P(C) = 1/2 8) a. 3 : 4 b. 4 : 3 9) 599 : 1 10) a. 1/2 b. 1/6 11) $2.25. No, because the cost to play does not equal the expected value. 12) a. 1/9 b. 6/21 = 2/7 13) Outcomes = {(Good, Good), (Good, Bad), (Bad, Good)} a. 3/5 b. 2/5 14) a. $3.50 b. No 19) 25P3 = 13,800 20) 25C3 = 2300 21) a. 2/5 b. 2/3 c. 11/15 2...
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