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A random sample of 75 college students of MSU is selected and 16 are found to have motorcycles on campus. Use a 95% confidence interval to estimate the fraction of students who have motorcycles on campus.

A random sample of 75 college students of MSU is selected and 16 are found to have motorcycles on campus. Use a 95% confidence interval to estimate the fraction of students who have motorcycles on campus.

MATLAB: An Introduction with Applications
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 random sample of 75 college students of MSU is selected and 16 are found to have motorcycles on campus. Use a 95% confidence interval to estimate the fraction of students who have motorcycles on campus.
Transcribed Image Text:A random sample of 75 college students of MSU is selected and 16 are found to have motorcycles on campus. Use a 95% confidence interval to estimate the fraction of students who have motorcycles on campus.
A study was made to estimate the difference in salaries of high school teachers in the private and public schools in BARMM. A random sample of 100 teachers in private schools showed an average Php 15.000 with a standard deviation of Php 2,000. A random sample of 200 teachers in public schools of Php 24,000 with standard deviation of Php 1,200. Find a 98% confidence interval for the difference between the average salaries of teachers in private and public schools of BARMM.
Transcribed Image Text:A study was made to estimate the difference in salaries of high school teachers in the private and public schools in BARMM. A random sample of 100 teachers in private schools showed an average Php 15.000 with a standard deviation of Php 2,000. A random sample of 200 teachers in public schools of Php 24,000 with standard deviation of Php 1,200. Find a 98% confidence interval for the difference between the average salaries of teachers in private and public schools of BARMM.
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