Suppose X follows a normal distribution with population mean u 70 and standard deviation o = 10. What is the value for P(X > 93)? Question 24 Listen Suppose the random variable X has a population mean u 20 and a population standard deviation o = 9. If a random sample n = 81 is taken, what is the probability that the sample mean is above 22?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Suppose X follows a normal distribution with population mean u = 70 and standard
%3D
deviation o =
10. What is the value for P(X > 93)?
Question 24
Listen
Suppose the random variable X has a population meanµ = 20 and a population
%3D
standard deviation o = 9. If a random sample n = 81 is taken, what is the probability
that the sample mean is above 22?
Transcribed Image Text:Suppose X follows a normal distribution with population mean u = 70 and standard %3D deviation o = 10. What is the value for P(X > 93)? Question 24 Listen Suppose the random variable X has a population meanµ = 20 and a population %3D standard deviation o = 9. If a random sample n = 81 is taken, what is the probability that the sample mean is above 22?
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