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Suppose X is a random variable with X - N(70,9²) and let H = the mean of X • me = the median of X • mo = the mode of X a) P(X > 75) = P(X < ). b) Calculate the percentage of the data that is within 1.2 standard deviations of the mean.

Suppose X is a random variable with X - N(70,9²) and let H = the mean of X • me = the median of X • mo = the mode of X a) P(X > 75) = P(X < ). b) Calculate the percentage of the data that is within 1.2 standard deviations of the mean.

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
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c) The middle 50%50% of the data will be from______ to_______ .

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e) Some of the descriptive statistics for the random variable X – 70 Z = 9. are the mean, µz = the standard deviation, oz = the 30th percentile of Z, P30 Round your answer to 2 decimal places.
Transcribed Image Text:e) Some of the descriptive statistics for the random variable X – 70 Z = 9. are the mean, µz = the standard deviation, oz = the 30th percentile of Z, P30 Round your answer to 2 decimal places.
Suppose X is a random variable with ~ N(70,9²) and let u = the mean of X me = the median of X mo = the mode of X a) P(X > 75) = P(X < ). b) Calculate the percentage of the data that is within 1.2 standard deviations of the mean. Round your answer to 2 decimal places.
Transcribed Image Text:Suppose X is a random variable with ~ N(70,9²) and let u = the mean of X me = the median of X mo = the mode of X a) P(X > 75) = P(X < ). b) Calculate the percentage of the data that is within 1.2 standard deviations of the mean. Round your answer to 2 decimal places.
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