Constructing a Confidence Interval for a Population Proportion A student found that in a random sample of 800 people in a town, 304 play sports. Based on this sample, construct a 90% confidence interval for the population proportion of all people in the town who play sports. Give your answers as decimals, rounded to three decimal places. _________< p < ____________
Constructing a Confidence Interval for a Population Proportion A student found that in a random sample of 800 people in a town, 304 play sports. Based on this sample, construct a 90% confidence interval for the population proportion of all people in the town who play sports. Give your answers as decimals, rounded to three decimal places. _________< p < ____________
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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Constructing a Confidence Interval for a Population Proportion
A student found that in a random sample of 800 people in a town, 304 play sports. Based on this sample, construct a 90% confidence interval for the population proportion of all people in the town who play sports.
Give your answers as decimals, rounded to three decimal places.
_________< p < ____________
Expert Solution
Step 1
From the provided information,
Sample size (n) = 800
From which 304 play sports.
Sample proportion (p̂) = 304/800 = 0.38
Confidence level = 90%
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