Can you show the equation and explain how you get an answer to this?
A student taking Management Science 301 at East Haven University will receive one of the five possible grades fro the course: A, B, C, D, or F. The distribution of the grades over the past two years is as follows: Grade Number of Students A 80 B 75 C 90 D 30 F 25 Total 300 If this past distribution is a good indicator of future grades, what is the probability of a student receiving a C in the course?