
In how many ways can 15 red marbles and 17 blue marbles be distributed to 6...
There are red, blue, white and green marbles. How many different ways are there to fill a bag with 10 marbles if there is the constraint that there are either white or green marbles in the bag but never both. So there can be white marbles in it or there can be green marbles in it or neither or them but never both.
How many ways can four red balls and four blue balls be randomly placed in eight urns that are numbered one to eight so that exactly one ball is in each urn?
1. How many decorations are there using 12 blue balloons, 9 green lanterns and 6 red ribbons in a row, such that no two ribbons are next to each other? 2. In how many ways can one distribute seven different gifts among 10 children if no child is to receive more than one gift?
Consider a bag with ten red marbles, six white marbles, and three blue marbles. (a) How many samples of five marbles are possible? (b) [2 pts] How many samples of five marbles contain only white marbles? (c) What is the probability of drawing two red marbles, two white marbles, and one blue marble when drawing five marbles?
A jar contains 4 red marbles, 12 blue marbles and 6 green marbles. Three marbles are selected at random, with each marble being set aside after selection. What is the probability that at least 1 red marble is drawn? a. 0.470 b. 0.338 c. 0.632 d. 0.530 e. 0.701 *DO NOT USE EXCEL*
An urn contains 39 red, 17 white and 30 blue marbles. A child selects two marbles at random and without replacement from the urn. Find the probability that the colors of the selected marbles are different. Hint: Three cases occur in the selection: no red, no white, no blue.
5) (a) In how many ways can we distribute 10 different chocolates to 4 children so that every child gets at least one chocolate? (b) In how many ways can we distribute 5 different chocolates to 9 children so that every child gets at most one chocolate?
5) (a) In how many ways can we distribute 10 different chocolates to 4 children so that every child gets at least one chocolate? (b) In how many ways can we distribute 5...
There are 15 red balls and 10 blue balls. 1) How many ways are there to choose one ball to be placed on a chair and one ball to be placed on a desk? (My original answer was 600) 2) How many ways are there to choose one ball to be placed on a chair and one ball to be placed on a desk if both balls cannot be the same color? (My original answer was 150) 3) How many...
Kelly has different books to arrange on a shelf; 2 blue, 4 green, and 3 red. Answer parts a through e below. (a) In how many ways can the books be arranged on a shelf? way(s) (Type a whole number.) (b) If books of the same color are to be grouped together, how many arrangements are possible? way(s) (Type a whole number.) (c) In how many distinguishable ways can the books be arranged if books of the same color are...
3. There are 2n + I identical books. How many ways are there to place these books onto three shelves so that there are always more books on any pair of shelves than on the other shelf.