Question

12) At St. Joseph School, all first year students must take chemistry and math. Suppose 28% fail in
chemistry, 16% fail in math, and 12% fail in both. Suppose a first year student is selected at
random. What is the probability that student selected failed at least one of the courses?
a. 0.32
b. 0.34
C. 0.45
d. None of these​

Answer 1

12) At St. Joseph School, all first year students must take chemistry and math. Suppose 28% fail in

chemistry, 16% fail in math, and 12% fail in both. Suppose a first year student is selected at

random. What is the probability that student selected failed at least one of the courses?

a. 0.32

b. 0.34

C. 0.45

d. None of these