1. A clinical trial is run to assess the efficacy of a new drug to reduce high blood pressure. Patients with a diagnosis of hypertension (high blood pressure) are recruited to participate in the trial and randomized to receive either the new drug or placebo. Participants take the assigned drug for 12 weeks and their blood pressure status is recorded. At the end of the trial, participants are classified as still having hypertension or not. The data are shown here: Group Number Randomized Number Free of Hypertension at 12 weeks Placebo 50 12 New Drug 50 28 What is the prevalence of hypertension at the end of the trial?A)12%B)28%C)60%D)50%
1. A clinical trial is run to assess the efficacy of a new drug to reduce high blood pressure. Patients with a diagnosis of hypertension (high blood pressure) are recruited to participate in the trial and randomized to receive either the new drug or placebo. Participants take the assigned drug for 12 weeks and their blood pressure status is recorded. At the end of the trial, participants are classified as still having hypertension or not. The data are shown here: Group Number Randomized Number Free of Hypertension at 12 weeks Placebo 50 12 New Drug 50 28 What is the prevalence of hypertension at the end of the trial?A)12%B)28%C)60%D)50%
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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1. A clinical trial is run to assess the efficacy of a new drug to reduce high blood pressure. Patients with a diagnosis of hypertension (high blood pressure) are recruited to participate in the trial and randomized to receive either the new drug or placebo. Participants take the assigned drug for 12 weeks and their blood pressure status is recorded. At the end of the trial, participants are classified as still having hypertension or not. The data are shown here:
| Group | Number Randomized | Number Free of Hypertension at 12 weeks |
| Placebo | 50 | 12 |
| New Drug | 50 | 28 |
What is the prevalence of hypertension at the end of the trial?
A)12%
B)28%
C)60%
D)50%
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