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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Concept explainers

Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear re…
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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QUESTION 4 Consider the random variable X with the following discrete probability distribution: 0.25 0.50 0.25 2 6. 4.1.Is this a proper probability distribution? 4.2. What is the probability that X is cqual to 2? 4.8. What is the probability that X is greater than 1? 4A. What is the probability that X is at least 2? 4.5. What is the probability that X is at most 2? 4.6. Find the expected value of X. 47. Find the variance of X.
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Transcribed Image Text:QUESTION 4 Consider the random variable X with the following discrete probability distribution: 0.25 0.50 0.25 2 6. 4.1.Is this a proper probability distribution? 4.2. What is the probability that X is cqual to 2? 4.8. What is the probability that X is greater than 1? 4A. What is the probability that X is at least 2? 4.5. What is the probability that X is at most 2? 4.6. Find the expected value of X. 47. Find the variance of X.
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