Question

A bag contains 50 marbles,10 of which are blue ,8 are red,20 are green ,and 12 are purple . Marcie takes a ow marble out of the bag ,records the color and returns

it to the bag how many red marbles should she expect after 500 trials

Answer 1

the answer would be 80 :)

Answer 2

After 500 trials, she should expect 0.16 * 500, or 80 red marbles. 0.16 is the frequency of red (8/50). If you extend this expected frequency to 500 trials, it will be 80.