Use the Pythagorean theorem:

2/9 × 3 =
= 2×3 / 9 =
= 6/9 =
= 2/3
Answer:
20 out of the 50 participants are assigned to consume Drink A.
However, it is asking us the probability that a participant did NOT consume Drink A, so there are 30 participants that consumed another drink.
The probability is 30/50, or 60%, that a participant did not sample Drink A.
Answer:
A
Step-by-step explanation: