Question

Suppose a jar contains 12 ted marbles and 23 blue marbles If'you reach in the jar and pull or 2 mables at random, ind the probab marbles If you reach in the jar an pull aur2 mables at rom find the robability that both are red Espressas a decimnal to o pa two placers Preview Get help. Video Points possible: 1

Answer 1

Total number of marbles are 23+12=35

First if we pull a marble out of 35, chances of getting red marble would be

Now as we have already pulled one marble, so total marbles will become 34 and also one red is selected, so chances of getting red marble in second pull is

So P(both red)=