A job has 15 pink gumballs 21 blue gumballs, 19 red gumballs and 19 yellow gumballs which color gumball has the least probability of being picked when a child randomly draws one out of the draw
The color with the least probability of being picked is pink gumballs, as there are only 15 of them out of a total of 15 + 21 + 19 + 19 = 74 gumballs.
Therefore, the probability of picking a pink gumball is 15/74, which is the lowest probability compared to the other colors.