Twenty-five volunteers will wear one of 6 blue, 7 green, 8 yellow, and 4 red aprons during an upcoming food drive. If the aprons are assigned randomly, what is the probability that a volunteer is assigned an apron that is NOT green?
The total number of aprons available is 6 + 7 + 8 + 4 = 25.
The number of green aprons available is 7.
Therefore, the number of aprons that are NOT green is 25 - 7 = 18.
The probability that a volunteer is assigned an apron that is NOT green is the number of aprons that are NOT green divided by the total number of aprons available, which is 18/25 = 0.72 or 72%.
Therefore, the probability that a volunteer is assigned an apron that is NOT green is 72%.