Albino rats used to study the hormonal regulation of a metabolic pathway are injected with a drug that inhibits body synthesis of protein. Usually, 4 out of 20 rats die from the drug before the experiment is over. This time round, 10 animals are treated with the drug. What is the probability of a failure?

Question

20%


0.2


40%


0.8


Geeneen van bostaande / None of the above

Answer 1

4/20 = 2/10 = 0.2

Ik versta wel.

Answer 2

By the way I am assuming that death is a failure ;)

Answer 3

jhknlm