Mrs. Adams just gave the final exam for the Government course she teaches. Here's the density graph of the distribution of scores students earned on her final.

What is the probability of randomly choosing a student who scored 80% or less? A. 0.05 B. 0.25 C. 0.50 D. 0.75

What is the probability of randomly choosing a student who scored 70% or more? A. 0.4 B. 0.445 C. 0.5 D. 0.5625

What is the probability of randomly choosing a student who scored between 70% and 80%? A. 0.25 B. 0.3125 C. 0.45 D. 0.555