MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Lab 3 - Word
Khalia Merriweather
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For questions 4-7: ACT Math Scores are normally distributed with a mean score of 21 and a
standard deviation of 5.
A random sample of 25 SAT Math scores are collected.
4. Find Hz-
Find og.
5. Sketch the normal curve above the axis given below.
Label the axis with the correct letter and 7 values (sampling mean and the values that
represent 1, 2, and 3 standard errors of the mean away from the sampling mean.)
6. Mark the value of 24 on the sketch you did in #4 and shade the section of the curve that
corresponds to "above 24".
7. Find the probability that the sample mean is above 24.
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Transcribed Image Text:Lab 3 - Word Khalia Merriweather Layout References Mailings Review View Help O Tell me what you want to do For questions 4-7: ACT Math Scores are normally distributed with a mean score of 21 and a standard deviation of 5. A random sample of 25 SAT Math scores are collected. 4. Find Hz- Find og. 5. Sketch the normal curve above the axis given below. Label the axis with the correct letter and 7 values (sampling mean and the values that represent 1, 2, and 3 standard errors of the mean away from the sampling mean.) 6. Mark the value of 24 on the sketch you did in #4 and shade the section of the curve that corresponds to "above 24". 7. Find the probability that the sample mean is above 24.
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