A bag contains 6 orange marbles and 7 green marbles. A marble is selected from the bag at random, set aside, and then another

Question

A bag contains 6 orange marbles and 7 green marbles. A marble is selected from the bag at random, set aside, and then another marble is selected. Which of the following choices shows the correct calculation of the probability that both marbles are orange?
select one 
O  7/13  6/12 = 7/26
O   6/13 . 6/13 = 36/169
O  6/13 . 5/13 = 30/169
O  6/13 . 5/12 = 5/26

Kunduz · Accepted Answer

Click to see the answer