Question

2. A bag contains 2 red, 3 blue and 5 green marbles. Mike picks one marble from the bag, Then picks a second without replacing the first marble. What is
the probability that mike picks a red marble and then a green marble?
A. 1/20
B. 1/10
C. 1/9
D. 7/10

3. Which of these best describes dependent events?
(choose ALL corrects answerS)
A. Spinning the arrows of two spinners with 3 equal sections two times
B. Randomly selecting a piece of candy from a bad containing 4 red, 2 yellow, and 1 green piece of candy, eating it, And then picking another piece of candy
C. Randomly selecting a team member to be captain, and then randomly selecting another team member to be co-captain.
D. Randomly selecting a sock from a drawer containing 8 black, 4 blue, and 3 brown pairs of socks, replacing it, and selecting another sock.

Answer 1

2) 2/10 is the probability of picking red. 5/9 is the chance of picking green the second time because one marble has been taken out. Multiply the probabilities together and should get the answer 1/9

3) I think B, C, D but C ,might not be right

Answer 2

The probability is 1/10 and the third question would be b. c. and d.