A student reads an article about a mutation. Eyes with dark colors can provide an advantage in areas with intense sunlight, as the color protects the eyes. Eyes with light colors are more common in northern latitudes and formed because of mutations. Eyes with light colors may be able to see more in low light but can tolerate less sunlight. Which statement does the article support?.

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?