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17. A set of data has a normal distribution with a mean of 22 and a standard deviation of 5. What percent of the data are within the interval from 17 to 32?

17. A set of data has a normal distribution with a mean of 22 and a standard deviation of 5. What percent of the data are within the interval from 17 to 32?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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17. A set of data has a normal distribution with a mean of 22 and a standard deviation of 5. What percent of the data are within the interval from 17 to 32? 18. The School Dance Committee conducts a survey to find what type of music students would like to hear at the next dance. Which sampling method is least likely to result in a biased sample? a. Call 20% of the people in the senior class directory. b. Interview every 10th student as they enter the school. c. Ask every 5th person leaving a school orchestra concert. d. Set up a jazz website where students can list their favorite songs.
Transcribed Image Text:17. A set of data has a normal distribution with a mean of 22 and a standard deviation of 5. What percent of the data are within the interval from 17 to 32? 18. The School Dance Committee conducts a survey to find what type of music students would like to hear at the next dance. Which sampling method is least likely to result in a biased sample? a. Call 20% of the people in the senior class directory. b. Interview every 10th student as they enter the school. c. Ask every 5th person leaving a school orchestra concert. d. Set up a jazz website where students can list their favorite songs.
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