It is believed that at least 60% of the residents in a certain area favor an annexation suit by a neighboring city. What conclusion would you draw if only 120 in a sample of 210 voters favor the suit? Use a 0.03 level of significance.Need solution like in the picture attached 1.Ho u = 45, there is no increase in copies> 45, there is an increase in copiesH,2.a = 0.053.One tailed test4.Critical region t = +2.92, df = 25.Test Statistic47-45T == 3.47www.com1 √36.Decision: Reject Ho7.Conclusion: The increase in copies in our samples is statisticallysignificant. It is not the result of chance of variation. A certain printing press is known to turn out an average of45 copies a minute. In an attempt to increase its output,an alteration is made to the machine, and then in 3 shorttest runs it turns out 46, 47, and 48 copies a minute. Isthis increase statically significant, or is it likely to besimply the result of chance of variation? Use a significancelevel of 0.05

It is believed that at least 60% of the residents in a certain area favor an annexation suit by a neighboring city. What conclusion would you draw if only 120 in a sample of 210 voters favor the suit? Use a 0.03 level of significance. Need solution like in the picture attached

It is believed that at least 60% of the residents in a certain area favor an annexation suit by a neighboring city. What conclusion would you draw if only 120 in a sample of 210 voters favor the suit? Use a 0.03 level of significance. Need solution like in the picture attached

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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Question

1.
Ho u = 45, there is no increase in copies
> 45, there is an increase in copies
H,
2.
a = 0.05
3.
One tailed test
4.
Critical region t = +2.92, df = 2
5.
Test Statistic
47-45
T =
= 3.47
www.com
1 √3
6.
Decision: Reject Ho
7.
Conclusion: The increase in copies in our samples is statistically
significant. It is not the result of chance of variation.

A certain printing press is known to turn out an average of
45 copies a minute. In an attempt to increase its output,
an alteration is made to the machine, and then in 3 short
test runs it turns out 46, 47, and 48 copies a minute. Is
this increase statically significant, or is it likely to be
simply the result of chance of variation? Use a significance
level of 0.05

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