Please explain

Stay in schoel: In a recent school year in the state of Washington, there were 314,000 high school students. Of these, 153,000 were girls and 161,000 were boys. Among the girls, 64,700 dropped out of school, and among the boys, 10,100 dropped out. A student is Chosen at random. Round the answers to four decimal places. (a) What is the probability that the student is male? (b) what is the probability that the student dropped out? (o) What is the probability that the student is male and dropped out? (d) Given that the student is male, what is the probability that he dropped out? (e) Given that the student dropped out, what is the probability that the student is male