Greg has 4 black shirts, 2 blue shirts and a yellow shirt, If he closes his eyes and grabs two shirts, what is the probablility that they will be black and blue?

Question

anonymous · Answer

answers:
A 2/7
B 8/49
C 1/4
D 1/7

anonymous · Answer

help meh pls

anonymous · Answer

@jigglypuff314

jigglypuff314 · Answer

I'm not good with proportions, sorry :/
perhaps @jdoe0001 or @sourwing can help you?

anonymous · Answer

Based on the given choices, the questions assumed replacement is allowed.

so total outcome is 7*7
and favorable outcome is 4*2

P = 8/49

anonymous · Answer

yea thats what i thought myself thanks!