Question

A bag contains colored marbles as shown in the table below. Two marbles are drawn at random from the bag. Find each probability.
Color Number
red 5
green 3
blue 2

Answer 1

13. P(red, then green) if replacement occurs
14. P(red, then green) if no replacement occurs
15. P(2 red) if no replacement occurs
16. P(2 red) if replacement occurs

Answer 2

do with and without replacement,ty

Answer 3

13. P(red, then green) if replacement occurs
=5/10*3/10=15/100=3/20
14. P(red, then green) if no replacement occurs
5/10*3/9=15/90=1/6
15. P(2 red) if no replacement occurs
=5/10 *4/9=20/90=2/9
16. P(2 red) if replacement occurs
=5/10*5/10=25/100=1/4