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occur. Variable possible a) What is the probability that the random variable is less than 23? b) What is the mean of the random variable? c) What is the standard deviation of the random variable? are equally nikery

occur. Variable possible a) What is the probability that the random variable is less than 23? b) What is the mean of the random variable? c) What is the standard deviation of the random variable? are equally nikery

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
Problem 1P
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1) A random variable has possible values of 20, 21, 22, 23, and 24 that are equally likely to occur. a) What is the probability that the random variable is less than 23? b) What is the mean of the random variable? c) What is the standard deviation of the random variable?
Transcribed Image Text:1) A random variable has possible values of 20, 21, 22, 23, and 24 that are equally likely to occur. a) What is the probability that the random variable is less than 23? b) What is the mean of the random variable? c) What is the standard deviation of the random variable?
2) Find the probabilities of the following events for a binomial random variable with n = 10, and π = 0.5. a) Exactly two successes b) More than two successes c) Less than 2 successes d) At least 2 successes
Transcribed Image Text:2) Find the probabilities of the following events for a binomial random variable with n = 10, and π = 0.5. a) Exactly two successes b) More than two successes c) Less than 2 successes d) At least 2 successes
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