Arecent survey showed that 102 adults out of a sample of 400 do not like cold weather. however, 115 of those studied said that they had interest in taking skiing lessons. based on this sample, if an adult is chosen at random, what is the probability that he or she has no desire to take skiing lessons? express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?