Question
In: Statistics and Probability
A drug company is developing a new drug called Phantol that it hopes will provide relief...
A drug company is developing a new drug called Phantol that it hopes will provide relief to patients who suffer from respiratory infections. Phantol was given to a random sample of 450 patients who had upper respiratory infections and 365 of these patients experienced relief. The drug is marketable if more than 75% of patients experience relief while using Phantol. a) Using a 5% significance level, test the hypothesis that more than 75% of patients who suffer from upper respiratory infections experience relief when using Phantol. (4 points) b) Based on your conclusion what type of error might you be making? (Explain) (2 points) 7 Professor: David Wozniak Final Exam c) What is the 95% confidence interval for the proportion of patients who should experience relief using Phantol? (3 points) d) What sample size would you need to find a 95% confidence interval with a margin of error of 0.02? (Hint: is it likely that the p=0.5?
Solutions
orchestra answered 11 months agoRelated Solutions
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A research laboratory was developing a new compound for the relief of severe cases of hay...
A research laboratory was developing a new compound for the
relief of severe cases of hay fever. In an experiment with 36
volunteers, the amounts of the two active ingredients (A & B)
in the compound were varied at three levels each. Randomization was
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The data on hours of relief can be found in the following .csv
file: Fever.csv
State the Null and Alternate Hypothesis for conducting one-way
ANOVA...
Problem 1: A research laboratory was developing a new compound for the relief of severe cases...
Problem 1:
A research laboratory was developing a new compound for the
relief of severe cases of hay fever. In an experiment with 36
volunteers, the amounts of the two active ingredients (A & B)
in the compound were varied at three levels each. Randomization was
used in assigning four volunteers to each of the nine treatments.
The data on hours of relief can be found in the following .csv
file: Fever.csv
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