a bag contains 30 marbles. There are 7 blue, 4 green, 7 red, 6 yellow, and 6 black marbles. Without looking Tarek reaches into the bag and and draws one marble what is the propablility he draws a black marble
a( 1/5
b( 4/5
c( 1/6
d( 1/4
The probability of drawing a black marble from the bag is 6/30, which simplifies to 1/5.
Therefore, the answer is a) 1/5.