SOLUTION: In the tests of a new pharmaceutical product, data were collected for use in the approval process required by the U.S. Food and Drug Administration (FDA). Some participants were

Algebra ->  Probability-and-statistics -> SOLUTION: In the tests of a new pharmaceutical product, data were collected for use in the approval process required by the U.S. Food and Drug Administration (FDA). Some participants were      Log On


   

Question 386802: In the tests of a new pharmaceutical product, data were
collected for use in the approval process required by the
U.S. Food and Drug Administration (FDA). Some participants
were given a placebo, an inert substance that
looks like the drug; others were given the drug. The
data are shown in the following table:
Drug: No Help 22 Help 47
Placebo: No Help 31 Help 20
What is the probability that:
a. the participants perceived that their “medication”
helped if they received the drug?
b. the participants perceived that their “medication”
helped if they received the placebo?
c. the participants perceived that their “medication”
helped?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Some participants
were given a placebo, an inert substance that
looks like the drug; others were given the drug. The
data are shown in the following table:
Drug: No Help 22 Help 47
Placebo: No Help 31 Help 20
What is the probability that:
a. the participants perceived that their “medication”
helped if they received the drug?
Ans: 47/69
----------------------
b. the participants perceived that their “medication”
helped if they received the placebo?
Ans: 20/51
----------------------
c. the participants perceived that their “medication”
helped?
Ans: 67/120
==================
Cheers,
Stan H.