A medical company tested a new drug on 100 people for possible side
effects. This table shows the results.
Adults
Children
Side effects No side effects Total
7 43 50
I 22 I 28 | 50
29
71 100
Total
Compare the probability that an adult has side effects with the probability
that a child has side effects. Draw a conclusion based on your results.
O
A. Pside effects/child) = 0.44
P(side effects adult) = 0.14
Conclusion: Children have a much lower chance of having side
effects than adults.
B. P(side effects child) = 0.22
P(side effects/adult) = 0.70
Conclusion: Children have a much greater chance of having side
effects than adults.