Suppose that among the 5000 students at a high school, 1200 are taking an online class and 1700 prefer watching basketball to watching football. Taking an online class and preferring basketball are independent. How many students are taking an online course and prefer basketball to football?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.