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PracticeExam1Sol

# PracticeExam1Sol - c)13.29 11 A 0.0082 b)0.7210 12 A)0.0498...

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Answer Key to the Practice Problems 1. a) 0.8554 b)0.927 c)z=0.84 2. 0.2578 3. 39.32 4. 24.1 5. 0.3918 6. 0.99 7. a)0.75 b)0.75 c) p(0)=0.05, p(1)=0.2 8. a) 46.8 b)4.4, 22.2, 36.6, 73.7, 109.9 or 4.4, 26.1, 36.6, 70.2, 109.9 c) n/a d) IQR = 51.5 (or 44.1) 9. a) 0.95 b)0.223 c) mean=10 sec d) median =6.9 sec e)yes 10. A) 0.6915 b)0.9544

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Unformatted text preview: c)13.29 11. A) 0.0082 b)0.7210 12. A)0.0498 b)0.8775 c)9985.77 13. 0.8647 14. 1.1547 15. Mean=2.9957, sd=1.73 16. A) 0.026 b) 0.7788 17. A)0.4096 b) 0.2182 18. 0.23 19. 0.8185 20. 12 (11 is acceptable as well) 21. 0.0062 22. A) true b)true c)false d)true 23. (a) To determine if data is from a normal distribution, use QQPlot....
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