Question:

In an IB school 47 students study biology, 53- students

Last updated: 7/13/2022

In an IB school 47 students study biology, 53- students

In an IB school 47 students study biology, 53- students study chemistry and 34 students do not study either of these two subjects. There are 109 students in this school. A student is selected at random. Find the probability that this student studies exactly one of these two subjects. Give an exact answer as a fraction in fully simplified form, or an approximate answer as a decimal rounded to three significant figures.