A jar contains 5 yellow marbles, 16 green marbles, and 8 black marbles. If one marble is selected at random, what is the probability that it is not green?
13 chances out of 16
(5/29*4/28)+(5/29*8/28)+(8/29*5/28)+(8/29*7/28)=39/203
To find the probability of selecting a marble that is not green, we need to determine the total number of marbles and the number of marbles that are not green.
The total number of marbles in the jar is the sum of the yellow, green, and black marbles: 5 + 16 + 8 = 29.
The number of marbles that are not green is the sum of the yellow and black marbles: 5 + 8 = 13.
Therefore, the probability of selecting a marble that is not green is 13/29.