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The number of computers sold per day at a local computer store, along with its corresponding probabilities, is shown in table. Find the mean, variance and standard deviation of the distribution. Number of Computers Sold Probability P(X) X 0 0.1 1 0.2 BICH 2 0.3 3 0.2 4 0.2 Solution: X-P(X) (x-μ)²-P(X) X P(X) X-μ (x-μ)²

The number of computers sold per day at a local computer store, along with its corresponding probabilities, is shown in table. Find the mean, variance and standard deviation of the distribution. Number of Computers Sold Probability P(X) X 0 0.1 1 0.2 BICH 2 0.3 3 0.2 4 0.2 Solution: X-P(X) (x-μ)²-P(X) X P(X) X-μ (x-μ)²

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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The number of computers sold per day at a local computer store, along with its corresponding probabilities, is shown in the table. Find the mean, variance and standard deviation of the distribution. Number of Computers Sold Probability P(X) X 0 0.1 1 0.2 2 0.3 3 0.2 0.2 Solution: (x-μ)²-P(X) X P(X) 4 X.P(X) Χ-μ (x-μ)²
Transcribed Image Text:The number of computers sold per day at a local computer store, along with its corresponding probabilities, is shown in the table. Find the mean, variance and standard deviation of the distribution. Number of Computers Sold Probability P(X) X 0 0.1 1 0.2 2 0.3 3 0.2 0.2 Solution: (x-μ)²-P(X) X P(X) 4 X.P(X) Χ-μ (x-μ)²
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