A tub filled with 50 quarts of water empties at a rate of 2.5 quarts per minute. Let W equals quarts of water left in the tub and T equals time in minutes

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?