Exam Answer Key

Exam Answer Key - a. Probability all are red= 3/12 * 3/12 *...

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Smit Shah March 3, 2008 STATISTICS EXAM ANSWERS 1) Fill in the Blanks a. Sampling b. Outliers c. Bar Graphs and Pie Charts d. Subset e. 120 f. 14950 g. Dichotomy 2) True False a. True b. False c. False d. True e. False f. False g. True h. False 3) Multiple Choice a. B b. D c. A d. D e. B 4) Sales for The Six Largest Restaurants Chains a. Mean= 8208.33 b. Standard Deviation= 11552.69 c. See Attached Sheet d. Sales Share= 44.54% e. My recommendation would be to join Burger King and KFC because they are the next highest in sales. 5) See Attached Sheet 6) 7) 8)
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9) 10) D 11) A 12) A 13) E 14) C 15) C 16) B 17) B 18) D 19) See Attached Sheet for Histograms and Information 20) Probability Table a. P(T)= 50/100 b. P(M and T)= 15/100 c. P(F or T)= 60+50-35/100 75/100 d. P(M | T)= 15/50 21) A box contains 3 red marbles, 4 blue marbles, and 5 green marbles.
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Unformatted text preview: a. Probability all are red= 3/12 * 3/12 * 3/12 = 27/1728 b. Probability all are red without replacement= 3/12 * 2/11 * 1/10 = 6/1320 22) Write 3 Conclusions from the Graph a. Both in 2005 and 2006 the chemical testing lab purchased the most orders between the price range of $201-600. b. In 2006, the chemical testing lab purchased the most n May with a total of 8. c. In 2005 and 2005 there were no purchases made in September for more that $999. 23) Lets Try some questions about this graph a. Clothes b. 33% c. Software d. 38% e. College Students...
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Exam Answer Key - a. Probability all are red= 3/12 * 3/12 *...

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