The numbers 1' 2, 3, 4. and 5 are written on slips of paper1 and 2 slips are drawn at random one ata time wimout replacement Find the given probabilities. a. The sum efthe numbers is 81 b. The sum efthe number is 5 or less' 4:. The rst number is 2 or the sum is B. a. The probability that the sum of the numbers is B is E. (Type en integer er a simplied traction.) b. The probability that the sum of the numbers is 5 or less is (Type an integer or a simplied fraction.) c. The probability that the rstnumber is 2 or the sum is 6 is (Type an integer or a simplied fraction.) Decide whether the exercise involves permutations or combinations. and then solve the problem. Marbles are being drawn without replacement from a bag containing 15 marbles. (a) HowI many samples ofd marbles can be drawn? (b) HowI many samples ol'2 marbles can be drawn? (o) lfthe bag contains 4 yellowI 3 while, and a blue marblesl how many samples of 2 marbles can be drawn in which all marble-3 are blue? Does the problem involve permutations or combinations? 6) Combinations Cl Permutations {a} HowI many samples of4 marbles can be drawn\"? |:| samples (b) HowI many samples of2 marbles can be drawn? I] samples (c) lfthe bag contains 4 yellow. 3 white, and 3 blue marbles, how many samples of 2 marbles can be drawn in which all marbles are blue? |:| samples