A school choir has 80 students; 36 of them are in seventh

Last updated: 7/28/2022

A school choir has 80 students; 36 of them are in seventh grade. Also, 40 students in the choir are girls: 18 of them are in seventh grade. What is the probability that a student picked at random from the choir is either a girl or is in seventh grade? A. 27/40 B. 29/40 C. 13/40 D. 33/40