A discrete random variable has probabilitydistribution: x= 1, 2 ,3 ,4, 5 and P(x) =0.12,0.15,0.23, 0.3, 0.2 the expected value is 3True.a OFalse .bo

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Answered: A discrete random variable has…

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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10. Expected value Find the expected value of each random variable: b. P(X= z) X Chapter 14: Exercises P(X = x) 100 0.1 0 0.2 200 C 0.2 1 0.4 300 0.5 2 0.4 400 0.2 TD -
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A random sample of 3 households is selected. The probabilities that certain number of households have a pet dog are listed. prob. of households with a dog P(x) probability that x households have %3D x (# of households) a dog 0.036 1 0.219 2 0.444 0.301 a) Does this table describe a probability distribution? Give a reason for your answer. Do not simply say yes/no b) What is the mean? Show work Edit View Insert Format Tools Table BIUA e Pv: 12pt v Paragraph v DELL

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A discrete random variable has probability distribution: x= 1, 2,3,4, 5 and P(x) =0.12,0.15, 0.23, 0.3, 0.2 the expected value is 3 True .a False .b