If you pour out a bag of M&Ms, fruit chews, or other colored candies, you might find more of some colors than others. There might be, say, 17 orange M&Ms, 8 blue, 13 green, 6 yellow, 6 brown, and 6 red.
Is every bag the same? You open another. This one has 6 orange, 16 blue, 6 green, 10 yellow, 9 brown, and 7 red. If you count the colors in more bags, you’ll find that each bag is a little different. But if you count enough bags, you’ll begin to see a pattern: orange and blue turn up about twice as often as the other colors.
Candy factories make the different colors separately, then mix them together before they go into bags. The M&M factory in New Jersey mixes…