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

Given that Number of trials n=3 Success of probability p =0.25, q=0.75 X~binomial (n ,p) X denotes…

Answered: 25% of American adults are college…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

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.