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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A population of values has a normal distribution with �=68.1 and �=56.8. If a random sample of size �=18 is selected,

  1. Find the probability that a single randomly selected value is greater than 86.8. Round your answer to four decimals. 
    P(X > 86.8) = 

  2. Find the probability that a sample of size �=18 is randomly selected with a mean greater than 86.8. Round your answer to four decimals. 
    P(M > 86.8) = 
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