SOLUTION: To test the effectiveness of a new vaccine, researchers gave 100 volunteers the conventional treatment
and gave 100 other volunteers the new vaccine. The results are shown in the
Algebra.Com
Question 1172360: To test the effectiveness of a new vaccine, researchers gave 100 volunteers the conventional treatment
and gave 100 other volunteers the new vaccine. The results are shown in the table below.
===============================================================
|| Treatment || Disease Prevented || Disease Not Prevented ||
==============================================================
||New Vaccine || 68 || 32 ||
==============================================================
||Conventional Treatment || 62 || 38 ||
=============================================================
a. What is the probability that the disease is prevented in a volunteer chosen at random? 13/20
b. What is the probability that the disease is prevented in a volunteer who was given the new vaccine? 17/25
c. What is the probability that the disease is prevented in a volunteer who was not given the new vaccine? 31/50
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
Your answers are correct.
RELATED QUESTIONS
A team of researchers is testing the effectiveness of a new HPV vaccine. They randomly... (answered by Boreal)
A medical researcher wishes to evaluate the effectiveness of a drug in prolonging the... (answered by Boreal)
A clinical trial was conducted to test the effectiveness of a drug for treating insomnia... (answered by Boreal)
A clinical test on humans of a new drug is normally done in three phases. Phase I is... (answered by Solver92311)
a manufacture of tv tubes has for many years used a process giving a mean tube life of... (answered by stanbon)
Consider a study conducted to evaluate the effectiveness of a new treatment to stop... (answered by ewatrrr)
Mr Brown gave a test with 30 questions worth 100 points. If some of the questions were... (answered by lwsshak3)
Mr Brown gave a test with 30 questions worth 100 points. If some of the questions were... (answered by ben720)
Five brothers bought a gift for their mother’s birthday. The cost of the gift was 100... (answered by solver91311)