used the same val for the population

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Does anyone know the answer for 6&7
0 00
9.
A third student polled her class and wrote down the numbers from her data below she used the same
population standard deviation as the first student (o- = 2.1). Find a 80% confidence interval for the population
mena using a calculator.
1 2 17 0 6 5 3 4 2 0 1 15 2 2 4 2 1 0 06 2
On this assignment the teacher has 108 students over all and 79 passed the project. Find the point estimate of
7.
this proportion by hand. Show your work for full credit.
Show Your Work
Transcribed Image Text:0 00 9. A third student polled her class and wrote down the numbers from her data below she used the same population standard deviation as the first student (o- = 2.1). Find a 80% confidence interval for the population mena using a calculator. 1 2 17 0 6 5 3 4 2 0 1 15 2 2 4 2 1 0 06 2 On this assignment the teacher has 108 students over all and 79 passed the project. Find the point estimate of 7. this proportion by hand. Show your work for full credit. Show Your Work
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