71% of all students at a college still need to take another math class. If 5 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class.  b. At most 2 of them need to take another math class.  c. At least 3 of them need to take another math class.

60% of all students at a college still need to take another math class. If 4 students are randomly selected, find the probability that a. Exactly 2 of them need to take another math class.

In a statistics class of 43 students, there were 15 men and  28 women. Five of the men and six of the women received an A in the course. A student is chosen at random from the class. 1. Find the probability that the student is a woman.2. Find the probability that the student received an A.3. Find the probability that the student is a woman or received an A.4. Find the probability that the student did not receive an A.

A bag contains 5 red marbles, 2 blue marbles, and 9 green marbles. If one marble is selected at random, determine the probability that it is blue. OA. OB. O C. O 1856 2 9 D. 16