25% of American adults are college graduates. Three American adults are randomly selected. If X denotes the number that the adult is college graduate: a) Construct a probability distribution b) Compute the expected value and standard deviation of the distribution.

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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25% of American adults are college graduates. Three American adults are randomly
selected. If X denotes the number that the adult is college graduate:
a) Construct a probability distribution
b) Compute the expected value and standard deviation of the distribution.
Transcribed Image Text:25% of American adults are college graduates. Three American adults are randomly selected. If X denotes the number that the adult is college graduate: a) Construct a probability distribution b) Compute the expected value and standard deviation of the distribution.
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