There are 8 blue marbles and 7 red marbles in a bag. julie pulls two marbles at random from the bag first. what is the probability that she first pulls a blue marble and then a red marble?

Step-by-step explanation:

Given: Number of blue marbles = 8

Number of red marbles = 7

Total number of  marbles = 8+7=15

Now, the probability that she first pulls a blue marble is given by :-

Now, total marbles left in bag = 15-1=14

Now, the probability that she second pulls a red marble is given by :-

Thus, the probability that she first pulls a blue marble and then a red marble is given by :-

4444444444444 i think