The proportion of people who respond to a certain mail-order solicitation is a random variable X having the density function f(x)=2(x+2)/5, 0

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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The proportion of people who respond to a certain mail-order solicitation is a random
variable X having the density function f(x)=2(x+2)/5, 0<x<1.
Find the average proportion of people who respond.
1.00
1.20
0.40
O 0.53
Transcribed Image Text:The proportion of people who respond to a certain mail-order solicitation is a random variable X having the density function f(x)=2(x+2)/5, 0<x<1. Find the average proportion of people who respond. 1.00 1.20 0.40 O 0.53
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