A jar contains jelly beans that are red, yellow, blue, and purple. Several people reach in and grab handfuls of jelly beans, then collectively tally the number of each color: 15 red, 20 yellow, 12 blue, and 8 purple. If someone pulls out 22 jelly beans, about how many would you expect to be yellow?

20

4

8

13

Question

A jar contains jelly beans that are red, yellow, blue, and purple. Several people reach in and grab handfuls of jelly beans, then collectively tally the number of each color: 15 red, 20 yellow, 12 blue, and 8 purple. If someone pulls out 22 jelly beans, about how many would you expect to be yellow?
		
20
		
4
		
8
		
13

marcoreus11 · Answer

this is a statistics problem: 

First find the total that was pulled: 

15+20+12+8=55 

Next find the percentage that was yellow: 

20/55=.3636=36% 

Last find what 36% of 22 is: 

22*.36=8 

And theoretically your answer is: 

8 should be yellow