Assume that 55 percent of the students at the university have taken 4 years of high school math. Of those with four years of high school math, 65 percent plan t

Question

If the student plans to major in science, what is the probability that this student had four years of high school math? 

Answer 1

Probability of 4 yrs hs math AND major in science = .55 * .65 = .3575

Probability of 4 yr hs math = .55

Probability of major in sci|4 yrs hs math) = .3575/.55