A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 7 cars needs to have all added. If this is true, what is the probability of each of the following: A. One out of the next four cars needs oil. Probability = B. Two out of the next eight cars needs oil. Probability = C. 10 out of the next 40 cars needs oil. Probability = In the game of blackjack as played in casinos in Las Vegas, Atlantic City, Niagara Falls, as well as many other cities, the dealer has the advantage. Most players do not play very well. As a result, the probability that the average player wins a hand is about 0.39. Find the probability that an average player wins A. twice in 5 hands. Probability = B. 10 or more times in 26 hands. Probability = There are several books that teach blackjack players the "basic strategy" which increases the probability of winning any hand to 0.55. Assuming that the player plays the basic strategy, nd the probability that he or she wins C. twice in 5 hands. Probability = D. 10 or more times in 26 hands. Probability =