(1 point) Three coins are tossed. Find the probability of tossing each of the following events: 1. Three heads. Answer: 2. Two heads and a tail. Answer: 3. At least one tail. Answer: 4. At least two heads. Answer:(1 point) Samantha owns 6 different mathematics books and 6 different computer science books and wish to fill 5 positions on a shelf. If the first 3 positions are to be occupied by math books and the last 2 by computer science books, in how many ways can this be done? Preview My Answers Submit Answers(1 point) How many three-letter "words" can be made from 8 letters FGHIJKLM" if repetition of letters (a) is allowed? Your answer is : (b) is not allowed? Your answer is