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a. Use the empirical rule to describe the distribution of heights for males. Approximately 68% of the observations fall within the interval (.). (Type a whole number.)

a. Use the empirical rule to describe the distribution of heights for males. Approximately 68% of the observations fall within the interval (.). (Type a whole number.)

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Height has an approximately bell-shaped distribution. For a sample of heights of college students collected, the males had x = 72 and s=4 and the females had x = 64 and s = 4. Use this information to answer parts a and b. a. Use the empirical rule to describe the distribution of heights for males. Approximately 68% of the observations fall within the interval (.). (Type a whole number.)
Transcribed Image Text:Height has an approximately bell-shaped distribution. For a sample of heights of college students collected, the males had x = 72 and s=4 and the females had x = 64 and s = 4. Use this information to answer parts a and b. a. Use the empirical rule to describe the distribution of heights for males. Approximately 68% of the observations fall within the interval (.). (Type a whole number.)
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The carbon dioxide emissions of EU nations had a mean of 7.9 and standard deviation of 3.6. a. Belgium's observation was 10.0. Find its z-score and interpret. b. Romania's observation was 3.9. Find its z-score and interpret. c. Slovak Republic's observation was 6.7. Find its z-score and interpret. a. The z-score is 0.58. This indicates that the observation of 10.0 is a distance of 0.58 standard deviation(s) above the mean. (Round to two decimal places as needed.) b. The z-score is . This indicates that the observation of 3.9 is a distance of (Round to two decimal places as needed.) the
Transcribed Image Text:The carbon dioxide emissions of EU nations had a mean of 7.9 and standard deviation of 3.6. a. Belgium's observation was 10.0. Find its z-score and interpret. b. Romania's observation was 3.9. Find its z-score and interpret. c. Slovak Republic's observation was 6.7. Find its z-score and interpret. a. The z-score is 0.58. This indicates that the observation of 10.0 is a distance of 0.58 standard deviation(s) above the mean. (Round to two decimal places as needed.) b. The z-score is . This indicates that the observation of 3.9 is a distance of (Round to two decimal places as needed.) the
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