Theses are examples and I don't understand. Please explain the steps.

Suppose that a red die and a green die are tossed and the numbers on the sides that face upward are observed. (a) What is the probability that the numbers add up to 11? (b) What is the probability that the sum of the numbers is less than 3?Four people are running for class president: Liz, Fred, Sue, and Tom. The probabilities of Fred, Sue, and Tom winning are 0.24, 0.26, and 0.22, respectively. (a) What is the probability of Liz winning? (b) What is the probability that Fred or Tom wins? (c) What is the probability that Tom loses?An experiment consists of tossing a coin three times and observing the sequence of heads and tails. Each of the eight outcomes has the same probability of ocouring. {at What is the probability of the event \"at least one heart"? {b} What is the probability that "TTH' is the outcome? Use the Venn diagram to solve. Suppose that Pr(E) = 0.7, Pr(F) = 0.6, and Pr(E n F) =0.5. (a) Find Pr(E U F). E F (b) Find Pr(E n F').An urn contains six red, seven white, and seven blue marbles. Three marbles are selected at random and without replacement. What is the probability that one of each color is selected?Suppose Pr(A) = 0.16 and Pr(B) = 0.29, where A and B are mutually exclusive. Find Pr (A U B) .An urn contains five green balls and eight white balls. A sample of four balls is selected at random from the urn. (a) Find the probability that the four balls have the same color. (b) Find the probability that the sample contains more green balls than white balls.For a certain salesman, the probability of selling a car today is 0.22. Find the odds in favor of him selling a car today.A spinner of a board game can land on any one of three regions labeled: A, B, and C. If the probability the spinner lands on B is three times that of A, and the probability the spinner lands on C is our times that of A, find the probability the spinner lands on A.Five students: Ann. Bob, CaroL Dan, and Eve. He randomly lined up for a picture. What is the probability that Bob and Carol are standing next to each other [in either orderII'iI Suppose that 9 female and 6 male applicants have been successfully screened for 5 positions. If the 5 positions are filled at random from the 15 finalists, what is the probability of selecting at least 4 females?A die is rolled four times. What is the probability that the four numbers are the same?Six numbers are chosen at random from the whole numbers between 1 and 16, inclusive, without replacement. a) What is the probability that all the numbers are even? b) What is the probability that at least one of the numbers is odd