A researcher surveyed the households in a small town. The random variable X represents the number of college graduates in the households. The probability distribution of X is shown below: X 0 0.25 P(x) Find the mean or the expected value of X. 1 0.59 2 0.25

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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A researcher surveyed the households in a small town. The random variable X represents the
number of college graduates in the households. The probability distribution of X is shown below:
X
0
0.25
P(x)
Find the mean or the expected value of X.
1
0.59
2
0.25
Transcribed Image Text:A researcher surveyed the households in a small town. The random variable X represents the number of college graduates in the households. The probability distribution of X is shown below: X 0 0.25 P(x) Find the mean or the expected value of X. 1 0.59 2 0.25
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