A political candidate has asked you to conduct a poll to determine what percentage of people support her. From a random sample of 500, 324 said they would support the candidate. A 95% confidence interval is constructed. a) In words, define the random variable X X is the proportion of people from the sample who support the candidate X is the number of people from the population who support the candidate X is the number of people from the sample who support the candidate b) In words, define the random variable P̂ P̂ is the number of people from the sample who support the candidate P̂ is the proportion of people from the population who support the candidate P̂ is the proportion of people from the sample who support the candidate
A political candidate has asked you to conduct a poll to determine what percentage of people support her. From a random sample of 500, 324 said they would support the candidate. A 95% confidence interval is constructed. a) In words, define the random variable X X is the proportion of people from the sample who support the candidate X is the number of people from the population who support the candidate X is the number of people from the sample who support the candidate b) In words, define the random variable P̂ P̂ is the number of people from the sample who support the candidate P̂ is the proportion of people from the population who support the candidate P̂ is the proportion of people from the sample who support the candidate
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A political candidate has asked you to conduct a poll to determine what percentage of people support her. From a random sample of 500, 324 said they would support the candidate. A 95% confidence interval is constructed.
a) In words, define the random variable X
- X is the proportion of people from the sample who support the candidate
- X is the number of people from the population who support the candidate
- X is the number of people from the sample who support the candidate
b) In words, define the random variable P̂
- P̂ is the number of people from the sample who support the candidate
- P̂ is the proportion of people from the population who support the candidate
- P̂ is the proportion of people from the sample who support the candidate
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