5.Does "Ainstats" increase the probability of passing statistics? Here is a sample of data that wascompiled where 200 people were given a placebo and 150 were actually given "Ainstats". Test the claim atthe 0.05 level that taking "Ainstats" is independent of whether you pass.PlaceboAinstatsTotalStep 1: State the hypotheses.Step 2: Calculate the test statistic.Step 3: Calculate the p-value.Pass9991Fail to Pass10159Total

The two categorical variables are Ainstats and whether people pass. Sample size (n)=350Level of…

Answered: Step 1: State the hypotheses. Step 2:…

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 poll asked the question, "What do you think is the most important problem facing this country today?" Twenty-one percent of the respondents answered "crime and violence." The margin of sampling error was plus or minus 4 percentage points. Following the convention that the margin of error is based on a 95% confidence interval, find a 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters.
describe the steps in the process of statistical hypothesis testing. When stating the conclusion, why do we never accept the null hypothesis
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A poll asked the question, "What do you think is the most important problem facing this country today?" Twenty percent of the respondents answered "crime and violence." The margin of sampling error was plus or minus 2 percentage points. Following the convention that the margin of error is based on a 95% confidence interval, find a 95% confidence interval for the percentage of the population that would respond "crime and violence" to the question asked by the pollsters. lower limit % upper limit %
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Step 1: State the hypotheses. Step 2: Calculate the test statistic.