In a clinical study of an allergy drug, 109 of the 202 subjects reported experiencing significant...

In a clinical study of an allergy drug, 109 of the 202 subjects reported experiencing significant relief from their symptoms. at the .01 significance level, test the claim that more than 50% of those using the drug experienced relief. what is the rejection rule?

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milcah answered 3 hours ago

In a clinical study of an allergy drug, 108 of the 200 subjects reported experiencing significant...

In a clinical study of an allergy drug, 108 of the 200 subjects reported experiencing significant relief from their symptoms. Using a 1% significance level test the claim that more than half of all those using the drug experience relief.

The following data describe a clinical trial of an allergy medication: Allergy Drug Placebo Control Total...

The following data describe a clinical trial of an allergy medication: Allergy Drug Placebo Control Total Improvement 65 42 31 138 No Improvement 55 58 49 162 Total 120 100 80 300 a. What is the probability that a randomly selected person in the study was given either the drug or the placebo? b. What is the probability that a randomly selected person either improved or did not improve? c. What is the probability that a randomly selected person either...

Lipitor is a cholesterol-reducing drug. In clinical trials, 94 subjects were treated with the drug and...

Lipitor is a cholesterol-reducing drug. In clinical trials, 94 subjects were treated with the drug and 200 were given a placebo. In the 94 subjects that received the treatment, 8 developed infections while in the placebo group of 200 there were 12 that developed an infection. At α=.05, is there a greater risk of infection from using Lipitor? Assume that P1 is the Percentage of Lipitor users that developed an infection. 1. What is the null hypothesis? 2. What is...

In clinical trials of the allergy medicine Clarinex (5 mg), it was reported that 50 out...

In clinical trials of the allergy medicine Clarinex (5 mg), it was reported that 50 out of 1655 individuals in the Clarinex group and 31 out of 1652 individuals in the placebo group experienced dry mouth as a side effect of their respective treatments. Test the hypothesis that a greater proportion of individuals in the experimental group experienced dry mouth compared to the individuals in the control group at the α=0.01 level of significance. Null Hypothesis: Alternate Hypothesis: P-value: Conclusion:...

In clinical tests of adverse reactions to the drug Viagra, 51 of the 734 subjects in...

In clinical tests of adverse reactions to the drug Viagra, 51 of the 734 subjects in the treat ment group experienced dyspepsia (indigestion) and 22 of the 725 subjects in the placebo group experienced dyspepsia (based on data from Pfizer Pharmaceuticals). Using a 0.05 significance level, test the claim that the proportion of dyspepsia cases among V iagra users (group 1) is greater than the proportion of dyspepsia cases among non -Viagra users (group 2). a) What proportion of Viagra...

In clinical trials of the anti-inflammatory drug Inflaminex, adult and adolescent allergy patients were randomly divided...

In clinical trials of the anti-inflammatory drug Inflaminex, adult and adolescent allergy patients were randomly divided into two groups. Some patients received 500mcg of Inflaminex, while some patients received a placebo. Of the 2103 patients who received Inflaminex, 520 reported bloody noses as a side effect. Of the 1671 patients who received the placebo, 368 reported bloody noses as a side effect. Is there significant evidence to conclude that the proportion of Inflaminex users who experienced bloody noses as a...

In certain drug trial, 10 subjects who received a placebo reported headaches, while 30 subjects who...

In certain drug trial, 10 subjects who received a placebo reported headaches, while 30 subjects who received a placebo reported no headaches. Of the subjects taking a new drug, 20 reported headaches, while 30 did not. a) Display this information in a contingency table, including all totals. b) What percentage of participants in the trial reported headaches? c) What percentage of new-drug takers reported headaches? d) What percentage of placebo takers reported headaches? a) Draw a diagram to show a...

The drug ancrod was tested in a double-blinded clinical trial in which subjects who had strokes...

The drug ancrod was tested in a double-blinded clinical trial in which subjects who had strokes were randomly assigned to get either ancrod or a placebo. One outcome of interest in the study was whether or not a subject experienced intracranial hemorrhaging. In the ancrod group 13 of 248 experienced hemorrhaging, compared to 6 patients out of 252 in the placebo group. a. Compute a 90% confidence interval for the difference of the proportions of patients experiencing hemorrhaging in the...

For the clinical trials of a weight-loss drug containing Garcinia Cambogia the subjects were randomly divided...

For the clinical trials of a weight-loss drug containing Garcinia Cambogia the subjects were randomly divided into two groups. The first received an inert pill along with an exercise and diet plan, while the second received the test medicine along with the same exercise and diet plan. The patients do not know which group they are in, nor do the fitness and nutrition advisors. a. Which is the treatment group? b. Which is the control group (if there is one)?...

In a clinical trial to study if an experimental drug can lower diastolic blood pressure, 780...

In a clinical trial to study if an experimental drug can lower diastolic blood pressure, 780 participants suffering from high blood pressure were randomly assigned to one of three groups. Over a one-month period, the first group received a low dosage of the experimental drug, the second group received a high dosage of the drug, and the third group received a placebo. Neither the patients nor those analyzing the results knew what type of treatment each patient received. The diastolic...

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