3. The proportion of people who answer a survey sent by mail is a variable continuous random X that has the density function: (2(x+2), 0≤x≤1 5 f(x) = { O in another case Find the probability that more than half but less than three-quarters of the people in contact respond to this type of survey.
3. The proportion of people who answer a survey sent by mail is a variable continuous random X that has the density function: (2(x+2), 0≤x≤1 5 f(x) = { O in another case Find the probability that more than half but less than three-quarters of the people in contact respond to this type of survey.
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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Transcribed Image Text:3. The proportion of people who answer a survey sent by mail is a variable
continuous random X that has the density function:
(2(x+2) ,0≤x≤1
5
f(x) = {
0
in another case
Find the probability that more than half but less than three-quarters of the
people in contact respond to this type of survey.
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