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The random variable x has the following discrete probability distribution. Complete parts a through g. x 1 p(x) 0.2 4 0.1 6 7 0.4 0.2 P(x-7)=0.2 (Type an integer or a decimal. Do not round.) e. Find P(x ≥6). P(x≥6) = 0.7 (Type an integer or a decimal. Do not round.) f. Find P(x > 2). P(x >2)= 0.8 (Type an integer or a decimal. Do not round.) g. Find E(x). E(x) = (Type an integer or a decimal. Do not round.) 9 0.1

The random variable x has the following discrete probability distribution. Complete parts a through g. x 1 p(x) 0.2 4 0.1 6 7 0.4 0.2 P(x-7)=0.2 (Type an integer or a decimal. Do not round.) e. Find P(x ≥6). P(x≥6) = 0.7 (Type an integer or a decimal. Do not round.) f. Find P(x > 2). P(x >2)= 0.8 (Type an integer or a decimal. Do not round.) g. Find E(x). E(x) = (Type an integer or a decimal. Do not round.) 9 0.1

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.4: Expected Value
Problem 20E
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The random variable x has the following discrete probability distribution. Complete parts a through g. x 1 p(x) 0.2 4 0.1 6 7 0.4 0.2 P(x-7)=0.2 (Type an integer or a decimal. Do not round.) e. Find P(x ≥6). P(x≥6) = 0.7 (Type an integer or a decimal. Do not round.) f. Find P(x > 2). P(x >2)= 0.8 (Type an integer or a decimal. Do not round.) g. Find E(x). E(x) = (Type an integer or a decimal. Do not round.) 9 0.1
Transcribed Image Text:The random variable x has the following discrete probability distribution. Complete parts a through g. x 1 p(x) 0.2 4 0.1 6 7 0.4 0.2 P(x-7)=0.2 (Type an integer or a decimal. Do not round.) e. Find P(x ≥6). P(x≥6) = 0.7 (Type an integer or a decimal. Do not round.) f. Find P(x > 2). P(x >2)= 0.8 (Type an integer or a decimal. Do not round.) g. Find E(x). E(x) = (Type an integer or a decimal. Do not round.) 9 0.1
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