Question

You have a bag of 10 marbles of different colors. You have drawn a marble recorded the color and put it back 50 times with the following results, 13 blue , 18 green and 19pink. make a prediction on how many green marbles are in the bag explain

Answer 1

My prediction is that she didn't pick green any of the times when im assuming that she only picked from the bag 50 times.
plus if you add 
13 blue
18 green
19 pink 
you get 50 which is the number she put the marbles back