MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Assume that adults have IQ scores that are
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- The time it needs a communications worker to arrange a domestic phone call is normally distributed with mean Fifty seconds and a standard deviation of Eight seconds. Find the proportion of times that someone has to wait for more than a minute for the call to be placed.arrow_forwardThe number of Facebook friends students at a university have are Normally distributed with a mean of 1200 and a standard deviation of 200. What percentage of students has exactly 1000 Facebook friends?arrow_forwardAssume that adults have iq scores that are normally distributed with a mean of 97.9 and a standard deviation 16. Find the first quartile Q1, what is the iq score separating the bottom 25% from the top 75%.arrow_forward
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