Solve the following problems about Risks and Odds. In numbers 1-5, use the data in the table below on data about Pfizer, Inc. The table describes results from a clinical trial of the drug Viagra. Some subjects were treated with Viagra while others were given a placebo; then headache events were recorded. Headache No Headache Viagra Treatment 117 617 Placebo 29 696 1. Is the study retrospective or prospective? Type R if retrospective or Pif prospective. 2. Solve P(headache | Viagra Treatment). Round off to 3 decimal places. 3. Solve P(headache | placebo). Round off to 3 decimal places. 4. Find the number of Viagra users that would need to stop using Viagra in order to prevent a single headache. Round off to the nearest whole number.
Solve the following problems about Risks and Odds. In numbers 1-5, use the data in the table below on data about Pfizer, Inc. The table describes results from a clinical trial of the drug Viagra. Some subjects were treated with Viagra while others were given a placebo; then headache events were recorded. Headache No Headache Viagra Treatment 117 617 Placebo 29 696 1. Is the study retrospective or prospective? Type R if retrospective or Pif prospective. 2. Solve P(headache | Viagra Treatment). Round off to 3 decimal places. 3. Solve P(headache | placebo). Round off to 3 decimal places. 4. Find the number of Viagra users that would need to stop using Viagra in order to prevent a single headache. Round off to the nearest whole number.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Transcribed Image Text:Solve the following problems about Risks and Odds.
In numbers 1-5, use the data in the table below on data about Pfizer, Inc. The table
describes results from a clinical trial of the drug Viagra. Some subjects were treated with
Viagra while others were given a placebo; then headache events were recorded.
Headache
No Headache
Viagra Treatment
117
617
Placebo
29
696
1. Is the study retrospective or prospective? Type R if retrospective or Pif prospective.
2. Solve P(headache | Viagra Treatment). Round off to 3 decimal places.
3. Solve P(headache | placebo). Round off to 3 decimal places.
4. Find the number of Viagra users that would need to stop using Viagra in order to
prevent a single headache. Round off to the nearest whole number.
5. Find the relative risk of a headache for those in the treatment group compared to those
in the placebo group. Round off to 2 decimal places.
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