You decide to buy some berries as a surprise for your aunt from the local farmer’s market. However, when you arrive, you see that the market carries blackberries, blueberries, raspberries, and strawberries. You know one of them is her favorite, but you cannot remember which one. What is the probability that you will choose the right type of berry at random?
a. 0.25
b. 0.40
c. 2.5%
d. 4.0%