Question

3.) There are 1,000 marbles in a large box. Johnny took a scoop of marbles from the box. He

counted 15 red marbles, 20 green marbles, and 5 blue marbles. If the scoop was a good
sample of the marbles in the large box, how many red marbles would you expect to find in
the large box?*
O A) 150 reds
O B) 375 reds
O C) 600 reds
OD) 800 reds

Answer 1

Answer: B) 375 reds

Explanation:

Every 40 marbles 15 are red.

1000/40=25

25 x 15= 375