10. • 114 points | Previous Answers DevoreState 2.E.006. My Notes o Ask Your Tea

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10. • 114 points | Previous Answers DevoreState 2.E.006. My Notes o Ask Your Teacher A college library has five copies of a certain text on reserve. Two copies (1 and 2) are first printings, and the other three (3, 4, and 5) are second printings. A student examines these books in random order, stopping only when a second printing has been selected. One possible outcome is 5, and another is 213. (Enter your answers as a comma-separated list. Enter e for the empty set.) (a) List the outcomes in S. S = {(3), (4), (5), (1,3), (1,4), (1,5), (2,3), (2,4), (2,5), (1,2,3), (1,2,4), (1,2,5), (2, 1, 3), (2,1,4), (* } (b) Let A denote the event that exactly one book must be examined. What outcomes are in A? A = {3,4,5-} (c) Let B be the event that book 5 is the one selected. What outcomes are in B? B = {(5), (1,5), (2,5), (1,2,5), (2,1,5) (d) Let C be the event that book 1 is not examined. What outcomes are in C? c= {(3), (4), (5), (2,3), (2,5), (2,3) * } Need Help? Read It Viewing Saved Work Revert to Last Response Submit Answer Save Progress

Explanation / Answer

Your answer seems right; but the way you have put is seems wrrong:

a)here sample space

S ={3,4,5,13,14,15,23,24,25,123,124,125,213,214,215}

b) A =3,4,5

c)

B ={5,15,25,125,215}

d)

c =3,4,5,23,25,23

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