We have to form a committee from a group of 10 student.s in how many ways can we select a committee of 4 students president secretary treasurer and vicepresident
B. The Probability of choosing a girl is 17/30. The probability of choosing an A student is 5/30 The P(girl) + the P(A student) = 17/30 + 5/30 = 22/30 = 11/15.
