The probability that a randomly selected student from a college is a female is .55 and the

Question:

The probability that a randomly selected student from a college is a female is .55 and the probability that a student works for more than 10 hours per week is .62. If these two events are independent, find the probability that a randomly selected student is a
a. Male and works for more than 10 hours per week
b. Female or works for more than 10 hours per week