Question

The probability of selecting a blue marble at random from a jar that
contains only blue, black and green marbles is . The probability of
selecting a black marble at random from the same jar is - If the jar
contains 11 green marbles, find the total number of marbles in the jar.​

Answer 1

Answer:

the total marbles are 33

the probability of black marbles is 11/33 =1/3