Question

There is a bag with 200 cubes in it. Some of the cubes are red and some are black. You reach into the bag 20 times, each time picking up random cube, recording its color, and putting the cube back in the bag. You picked 7 black cubes and 13 red cubes. With this information, what is the best estimate you can make for how many red cubes and how many black cubes are in the bag?

Answer 1

You pulled black 7 times out of 20.
Let x be estimated number of black cubes in the bag of 200 cubes.
7/20 = x/200
x = ____

Use a similar process for estimating The number of red cubes in the bag.