At a University, 75% of new students entering the Teaching English as a Second Language (TESL) degree are female.

6.1. At a University, 75% of new students entering the Teaching English as a Second Language (TESL) degree are female. Of those female students, 80% of them will graduate, whereas 90% of males will complete the same programme. If a new TESL student is chosen at random, what is the probability that:a)