Intro to Stat_Part_16

Intro to Stat_Part_16 - 64 CHAPTER 3 PROBABILITY TOPICS a...

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62 CHAPTER 3. PROBABILITY TOPICS a. The average weight gain for the two weeks b. The standard deviation c. The ﬁrst, second, and third quartiles Exercise 3.49: REVIEW QUESTION 8 Construct a histogram and a boxplot of the data.

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63 Solutions to Exercises in Chapter 3 Solution to Exercise 3.1 (p. 49) a. { G 1, G 2, G 3, G 4, G 5, Y 1, Y 2, Y 3 } b. 5 8 c. 2 3 d. 2 8 e. 6 8 f. No Solution to Exercise 3.3 (p. 50) b. ( 5 8 ) ± 4 7 ² c. ( 5 8 )( 3 7 ) + ( 3 8 )( 5 7 ) + ( 5 8 ) ± 4 7 ² d. 4 7 e. No Solution to Exercise 3.5 (p. 50) a. { GH, GT, BH, BT, RH, RT } b. 3 20 c. Yes d. No Solution to Exercise 3.7 (p. 51) a. { ( HHH ) , ( HHT ) , ( HTH ) , ( HTT ) , ( THH ) , ( THT ) , ( TTH ) , ( TTT ) } b. 4 8 c. Yes Solution to Exercise 3.9 (p. 51) 0 Solution to Exercise 3.11 (p. 51) a. 0 b. 0 c. 0.63 Solution to Exercise 3.13 (p. 52) b. 0.5 Solution to Exercise 3.15 (p. 52) The completed contingency table is as follows: Homosexual/Bisexual IV Drug User* Heterosexual Contact Other Totals Female 0 70 136 49 255 Male 2146 463 60 135 2804 Totals 2146 533 196 174 3059 Table 3.8 : * includes homosexual/bisexual IV drug users
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Unformatted text preview: 64 CHAPTER 3. PROBABILITY TOPICS a. 255 3059 b. 196 3059 c. 718 3059 d. e. 463 3059 f. 136 196 Solution to Exercise 3.17 (p. 53) b. 43 215 c. 120 215 d. 20 215 e. 12 172 f. 115 215 Solution to Exercise 3.19 (p. 54) a. iii b. i c. iv d. ii Solution to Exercise 3.21 (p. 54) a. P ( G ) = 0.008 b. 0.5 c. dependent d. No Solution to Exercise 3.23 (p. 55) c. 22050 29760 d. 330 29760 e. 2000 29760 f. 23720 29760 g. 5010 6020 h. Black females and ages 1-14 i. No Solution to Exercise 3.25 (p. 56) a. 5140 c. 0.49 Solution to Exercise 3.28 (p. 57) C Solution to Exercise 3.29 (p. 57) A Solution to Exercise 3.30 (p. 58) B Solution to Exercise 3.31 (p. 58) B Solution to Exercise 3.32 (p. 58) C Solution to Exercise 3.33 (p. 58)...
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This document was uploaded on 10/31/2011 for the course STA 2023 at University of Florida.

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Intro to Stat_Part_16 - 64 CHAPTER 3 PROBABILITY TOPICS a...

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