A bowl contains 4 yellow marbles and 3 red marbles. Michael randomly draws 4 marbles from the bowl. He replaces each marble after it is drawn. What is the probability that he draws 3 yellow marbles and 1 red marble?
A. 192/2401
B. 768/2401
C. 3/35
D. 12/35

Question

A bowl contains 4 yellow marbles and 3 red marbles. Michael randomly draws 4 marbles from the bowl. He replaces each marble after it is drawn. What is the probability that he draws 3 yellow marbles and 1 red marble?
A. 192/2401
B. 768/2401
C. 3/35
D. 12/35

anonymous · Answer

i am pretty bad when it comes to probability or else i would help sry

anonymous · Answer

its ok

anonymous · Answer

@VioletStargrazer

anonymous · Answer

@sidsiddhartha @sauravshakya @SolomonZelman

anonymous · Answer

@ShailKumar

solomonzelman · Answer

After he has replaced the first sentence ( `Michael randomly draws 4 marbles from the bowl. ` ) is irrelevant 

What is the probability that 3 marbles will be yellow (out of the 4 that he draws out)?
What is the probability that 1 marble will be red (out of the 4 that he draws out)?

Multiply the probabilities (dependent events)

anonymous · Answer

so 3/4 and 1/4. hmm then multiply

anonymous · Answer

i choose d