A cooler contains 9 cans of Dr. Pepper, 11 cans of Coca-cola, and 6 cans of Sprite, for a total of 26 cans of soda. You randomly select (without replacement) 8 cans from this cooler to bring to your friends. What is the probability that your selection contains at most 6 cans of Dr. Pepper? Answer: Round to at least SIX digits after the decimal if necessary