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ProblemSet3Solutions

# ProblemSet3Solutions - for for for Continuous Probability...

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STAT 3021 Problem Set 3 Solutions Discrete Probability Distributions (pg. 88) 3. w = 3, 1, 1, -1, 1, -1, -1, 3 x -3 -1 1 3 f(x) 1/27 2/9 4/9 8/27 8. x 0 1 2 f(x) 10/35 20/35 5/35 11. 0 1 2 12. a. b. c.

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13. F(0) = f(0) = .41 F(1) = f(0) + f(1) = .41 + .37 = .78 F(2) = f(0) + f(1) + f(2) = .41 + .37 + .16 = .94 F(3) = f(0) + f(1) + f(2) + f(3) = .41 + .37 + .16 + .05 = .99 F(4) = f(0) + f(1) + f(2) + f(3) + f(4) = .41 + .37 + .16 + .05 + .01 = 1 for for for

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Unformatted text preview: for for for Continuous Probability Distributions (pg. 88) 6. a. b. 7. a. b. 17. a. b. c. 19. for for for 21. a. b. for otherwise Joint Probability Distributions (pg. 101) 38. a. b. c. d. 39. a. x f(x,y) 1 2 3 Row Totals 3/70 9/70 3/70 15/70 1 2/70 18/70 18/70 2/70 40/70 2 3/70 9/70 3/70 15/70 Column Totals 5/70 30/70 30/70 5/70 1 y b. 40. a. b. c. 41. a. b. , for c. for So ....
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ProblemSet3Solutions - for for for Continuous Probability...

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