Question

A bag contains 45 marbles of various colors. Jon draws 60 times, each time replacing the marble before drawing again. He gets a total of 12 blue marbles.

Which is best prediction of how many blue marbles are in the bag?







A.
5





B.
9





C.
12





D.
15

Answer 1

@Atsie @texaschic101

Answer 2

B.

Answer 3

thx

Answer 4

12 out of 60 tries gave a blue marble. This means that the ratio is 1/5. 1/5 of 45 is 9.