Question

Sally had a bag of 5 marbles:
1 = green, yellow, red, black, and blue. She randomly chose 1 marble out the bag, recorded the color, and put the marble back. The table below shows the results of performing this experiment 100 times.

(Table Info: Green = 30; Yellow = 15; Red = 12; Black = 25; Blue = 18).

If her results had been like the mathematical probabilities, how many more times would she have chosen a blue marble?

Answer 1

A. 2
B. 5
C. 10
D. 12

Answer 2

@satellite73

Answer 3

one fifth of the marbles are blue
what is one fifth of 100?

Answer 4

20

Answer 5

20 - 18 = 2 right?

Answer 6

yup

Answer 7

thanks @satellite73

Answer 8

yw

Answer 9

you're the best! :D