Question

a collection of elevlopes consists 2 red,3 blue,1 green and 3 yellow. if 3 evelopes are selected at ramdom, without replacement, determine the prbl that they are all yellow evelopes

Answer 1

since there is 3 is it 3 and then u add all those other ones?

Answer 2

find total number of envelopes

Answer 3

9

Answer 4

3/9 2/8 1/7 since you are not replacing the ones you select

Answer 5

so 3/9?

Answer 6

think you multiply those 3

Answer 7

so what would it come out too?

Answer 8

3/9*2/8*1/7=1/84