The graph shows the results of tossing two coins 20 times. The two sides of the coin show head (H) and tails (T). Based on the results, what is the probability that both coins will show heads the next time coins are tossed.
Answer choices; 3/10
3/20
3/7
17/20

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?