1313T4RevSolutions

# 1313T4RevSolutions - 2 20 x P X = x 1 0.035 2 0.0525 3...

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Math 1313 Finite Math Test 4 Supplemental Review Solutions 1. a. 0.5526 b. 0.4667 c. 0.3871 d. 0.3091 2. a. 0.0875 b. 0.5125 3. They are not independent. 4. a. 0.4872 b. 0.3846 c. 0.4167 5. a. 0.6866 b. 0.093 c. 0.2204 6. a. 0.7676 b. 0.7033 7. 0.1778 8. a. 0.02 b. 0.69 c. 0.837 d. 0.0062 9. a. 0.4083 b. 0.2667 10. a. 0.4444 b. 0.2808 c. 0.4777 11. a. 0.1538 b. 0.2831 c. 0.2431 d. 0.8846 12. a. 0.4000 b. 0.0952 Test 4 Supplemental Review Solutions 1

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c. 0.0714 d. 0.3206 e. 0.3429 13. a. 0.3333 b. 0.4396 c. 0.1692 d. 0.2691 e. 0.2533 14. a. 0.0012 b. 0.1998 c. 0.7057 15. a. 0.0168 b. 0.9752 c. 0.0500 16. a. 0.3659 b. 0.3300 c. 0.4298 d. 0.3582 17. a. 0.0050 b. 0.8718 c. 0.0074 d. 0.9636 18. 0.0002 19. a. 0.29 b. 0.92 c. 0.66 d. 0.8 e. 2.62 f. 1.6186 Test 4 Supplemental Review Solutions

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Unformatted text preview: 2 20. x P ( X = x ) 1 0.035 2 0.0525 3 0.0625 4 0.1125 5 0.1025 6 0.1675 7 0.1550 8 0.1850 9 0.0775 10 0.0500 21. E(X) = 6.0575 Var(X) = 5.2192 σ = 2.2846 22. E(X) = -2 23. 17 to 3 24. 0.7143 25. 0.0909 26. 0.96 27. 0.9375 28. a. 0.0002 b. 0.0604 c. 0.9798 d. 0.0036 29. E(X) = 5.7 Var(X) = 2.451 = 1.5656 Test 4 Supplemental Review Solutions 3 30. a. 0.1238 b. 0.0277 c. 0.3084 d. 0.9999 31. E(X) = 13.05 Var(X) = 1.6965 σ = 1.3025 32. E(X) = 1037.5 Var(X) = 176.375 = 13.2806 33. a. 0.9946 b. 0.8577 c. 0.8703 d. 0.2177 e. 0.0606 f. 0.3071 34. a. z = 0.53 b. z = 0.46 c. z = 0.74 d. z = 2.14 e. z = 1.96 f. z = 0.46 35. a. 0.0307 b. 0.8531 c. 0.7907 36. 0.0228 37. a. 0.1587 b. 0.6826 c. 0.0228 d. 0.6247 38. a. 0.9922 b. 0.4801 c. 0.7903 Test 4 Supplemental Review Solutions 4...
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1313T4RevSolutions - 2 20 x P X = x 1 0.035 2 0.0525 3...

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