a small student survey at a college asked the question if th

a small student survey at a college asked the question \"if the number of summer classes were increased, would you be more likely to enroll in one or more of them?\" the results are summarized in the table

Class | yes | no | no opinion |

Freshman|15|8|5

sophomores|24|4|2

what is the probability that a random selected student from the sample

A. has no opinion

B. Is a freshman or answered \"yes\"

C. Is a freshman given that he or she answered \"yes\"

Solution