Exam2reviewanswers

Exam2reviewanswers - b. X ~ Exp(0.08) c. 12.5 months d....

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EXAM 2 REVIEW answers If you find errors, please post the question to the Discussion Forum for verification. 1. a. speed of a train over the bridge 2. a. 0.07 b. X ~ U(42, 58) b. 2.68 c. 50 d. 4.62 e. 1/16 f. 0.3126 g. 0.3750 h. 53.20 mph i. 0.6154 3. a. X ~ B(25, 0.36) 4. a. False b. 0, 1, 2, …, 25 b. True c. 9 c. True d. 2.4 d. True e. 9 f. 0.7376 g. 0.0124 5. a. life of the cell phone battery, in months
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Unformatted text preview: b. X ~ Exp(0.08) c. 12.5 months d. 0.1466 e. 2.79 months 6. a. X ~ N(41, 7) 7. a. X = income of a citizen of Boone county b. 0.2839 b. X ~ Exp(1/42000) c. 0.4575 c. 0.3858 d. 36.28 grams d. 0.0526 e. 45.72 grams e. $25109.15 8. a. X ~ P(2) 9. Calculate z-scores and compare. b. 0, 1, 2, . c. 0.1804 d. 0.3233...
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This note was uploaded on 11/27/2011 for the course MATH 10 taught by Professor Plum during the Fall '11 term at DeAnza College.

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