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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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Three randomly selected households are surveyed. The numbers of people in the households are 1,4, and 10. Assume that samples of sizen=2 are randomly selected with replacement from the population of1,4, and 10. Construct a probability distribution table that describes the sampling distribution of the proportion of odd numbers when samples of sizes n=2 are randomly selected. Does the mean of the sample proportions equal the proportion of odd numbers in the population? Do the sample proportions target the value of the population proportion? Does the sample proportion make a good estimator of the population proportion? Listed below are the nine possible samples.

1,1 1,4 1,10 4,1 4,4 4,10 10,1 10,4 10,10

Construct the probability distribution table.

Sample Proportion	Probability
▼ 0.1 0.25 0	nothing
▼ 0.25 0.5 0.75	nothing
▼ 1 0.25 0.75	nothing

(Type an integer or fraction.)

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