If there are 3 blue marbles, 2 red marbles, and 4 green marbles in a bag, what is the probability of drawing 2 red marbles if you replace the first one after you draw it?

Answers

Answered by DooDooHead
Do you have answer choices?
Answered by nuggy
no
Answered by DooDooHead
I could be wrong, but since there are 9 marbles altogether and only 2 red marbles, i'd say 2/9. But, like i said, i could be wrong.
Answered by nuggy
it says its 4/81... kinda confusing but ok
Answered by nuggy
thanks for trying tho!
Answered by DooDooHead
Oop. IDK how that is the answer. Maybe if you google it you'd find out how. Thanks for the answer on mine
Answered by DooDooHead
Use this:
varsity tutors . com / gre_math - help / how - to - find - the - probability - of -an - outcome
Answered by nuggy
np
Answered by oobleck
each draw has chance of 2/9
so two draws has chance of 2/9 * 2/9 = 4/81
oooh. makes sense now. So (2/9)^2?
Answered by nuggy lord
wow, give this person an award for being so helpful! thanks dude
Answered by classic
is this right?
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions