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In a clinical study of a new med, 308 of 575 report experiencing relief. at the...

In a clinical study of a new med, 308 of 575 report experiencing relief. at the 0.02 significance level, test the claim that more than half of all those using experienced relief.

1. Identify the claim, null hypothesis, test stat, critical value, and p value

2. compare p to alpha

3. draw bell curve and identify crit value, crit region, and test stat.

Please show all work. Thank you!

math   Statistics-And-Probability   
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Answer #1

Step1 The null and alternative hypotheses are Ho p 0.50 (The populati on proportion is equal to 0.50) vefsus H p >0.50(The population proporti on is greater than 0.50) Step2: The given informati on is The level of signficance is a-0.02. Step3 The sample proportion is 308 575 0.535652 p0.535652 Step4 The formula for calculating the test stati stic is given by 0.535652-0.50 0.50 (1-0.50) 575 0.035652 0.50 (0.50) 575 0.035652 0.25 575 0.035652 0.000435 0.035652 0.020851 1.709818 1.709818

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The P-value, Critical value, and the test statistic:

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