You wish to test the following claim (Ha) at a significance level of α=0.005. Ho:p=0.42 Ha:p>0.42 You obtain a sample of size n=558 in which there are 271 successful observations. For this test, you should use the (cumulative) binomial distribution to obtain an exact p-value. (Do not use the normal distribution as an approximation for the binomial distribution.)
You wish to test the following claim (Ha) at a significance level of α=0.005. Ho:p=0.42 Ha:p>0.42 You obtain a sample of size n=558 in which there are 271 successful observations. For this test, you should use the (cumulative) binomial distribution to obtain an exact p-value. (Do not use the normal distribution as an approximation for the binomial distribution.)
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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You wish to test the following claim (Ha) at a significance level of α=0.005.
Ho:p=0.42
Ha:p>0.42
You obtain a
The p-value for this test is (assuming Ho is true) the
- at most 271 successful observations
- at least 271 successful observations
What is the p-value for this sample? (Report answer accurate to four decimal places.)
p-value =
The p-value is...
- less than (or equal to) αα
- greater than αα
This test statistic leads to a decision to...
- reject the null
- accept the null
- fail to reject the null
As such, the final conclusion is that...
- There is sufficient evidence to warrant rejection of the claim that the population proportion is greater than 0.42.
- There is not sufficient evidence to warrant rejection of the claim that the population proportion is greater than 0.42.
- The sample data support the claim that the population proportion is greater than 0.42.
- There is not sufficient sample evidence to support the claim that the population proportion is greater than 0.42.
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