1. The Venn diagram below shows students that are studying a science subject. The Venn diagram shows those studying biology, chemistry, both or neither. What is the probability of a student studying biology, B, given the student is also studying chemistry, C?
A. 13/27
B. 13/45
C.13/44
D. 13/30
A. 13/27
To find the probability of a student studying biology given they are studying chemistry, we need to divide the number of students studying both biology and chemistry by the total number of students studying chemistry.
According to the Venn diagram:
- Students studying both biology and chemistry: 13
- Total number of students studying chemistry: 13 + 7 + 2 + 11 = 33
Therefore, the probability of a student studying biology given they are studying chemistry is 13/33, which simplifies to 13/27.