Answer and Explanation:
a. The computation of the probability for a student either a finance or marketing major is shown below:
= Number of expected outcomes ÷ total number of outcomes
= (67 + 45) ÷ (67 + 45+ 51 + 18)
= 112 ÷ 181
= 0.6188
b. Now for mutually exclusive, we make the assumption that the none of the students has taken for multiple specializations also nothing is mentioned in the question