Exam1Reviewanswers

Exam1Reviewanswers - 5 a 4.5 b 1.76 c 3.5 d 4 e 5.5 f 2 g...

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Solutions to Exam 1 Review 1. a. the 459 SCC residents in the survey b. Bay Area residents who commute to work c. method of commute and length (in miles) of commute d. statistic 2. a. quantitative continuous b. qualitative c. quantitative disctrete 3. a. 22, 0.2250, 0.1250 b. 52.5% c. 75% 4. a. convenience b. simple random c. convenience d. stratified (but more probably convenience)
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Unformatted text preview: 5. a. 4.5 b. 1.76 c. 3.5 d. 4 e. 5.5 f. 2 g. 0.10 h. 2 j. 7 6. a. 48/129 b. 57/129 c. 8/129 d. 22/35 e. No 7. a. 48/129 8. a. 0.3000 b. 47/129 b. 0.6000 c. 8/129 c. Yes, because P(E and F) = P(E)P(F) d. 22/35 e. No, because P(PSME AND 10-14) does not equal P(PSME)*P(10-14)...
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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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