Combinatorics - practice problems - page 5 of 52
Number of problems found: 1029
- Probabilities 71194
We have a dummy die where numbers fall with probabilities P (1)=0.1; P (2)=0.2; P (3)=0.22; P (4)=0.16; P (5)=0.24; P (6)=0.08. Determine the probability that the two toss the same numbers. - Including 70264
A group of six, including at least three women, is selected from seven men and four women. Find how many ways we can do this. - Assume
Assume that you are to buy 5 pesos worth of candy in two different stores. In your coin purse that contains two 20-peso coins, three 10-peso coins, six 5-peso coins, and seven 1-peso coins, what is the probability of getting two consecutive 5-peso coins f - Altogether 69994
Twelve players signed up for the squash tournament. Based on the lottery, they formed pairs, and in the first round, each pair played one match. The winners advanced to the second round, where they played each other one game at a time. How many matches we
- Chocolate 69554
The pastry shop has 10 types of desserts, 8 types of ice cream, and 3 types of hot chocolate. How many options does Milan have to choose from if: A) one sweet B) some dessert and 1 scoop of ice cream? C) Some dessert, 1 scoop of ice cream, and 1 hot choco - Competition 69474
Ten girls and seven boys are in the dance group. Only one mixed couple is to go to the competition. How many possible pairs can we choose from? - Five-a-side 69434
Five children took part in the five-a-side tournament: Anka, Betka, Celeste, Dano, and Erik. Everyone played with everyone. How many games have been played? - Three-member 69274
The teacher wants to create one three-member team of four girls and four boys, with one girl and two boys. How many different options does it have to create a team? - Different 68754
We have six balls of different colors. We select two balls at once. How many options?
- Probability 67544
Anna has four different colored pullovers and three different colored skirts. What is the probability that she will have a red pullover and a blue skirt in a random dress if we know that she has them in her wardrobe? - Probability 67264
The teacher has 20 questions, from which the student chooses two on the exam. The student learned 10 questions well, 6 partially, and 4 not at all. What is the probability that he will get both questions he knows well? - Contestants 67104 The contestants have to create an ice cream sundae containing three different types of ice cream. They can use cocoa, yogurt, vanilla, hazelnut, punch, lemon and blueberry ice cream. How many different ice cream sundaes can the contestants create?
- Possibilities 67094 5A students must elect a three-member class committee. However, only 6 pupils out of 30 are willing to work in it. How many possibilities do they have to create it if it does not matter what function the committee member will perform?
- Raspberries 66824
Klára wants to make a fruit cocktail using three types of fruit: pineapple, pears, bananas, raspberries, and cherries. How many different cocktails can he create?
- Designated 66594
Marenka is required to read three books out of five designated books. How many ways can three books choose to be read? - Combinations equation
C(2, 8) + C(3, 4) = - 6 married Six married couples are in a room. If two people are chosen at random. Find the probability that; a). they are married. b). one is male, and one is female.
- Different 65654 Jane received three different marks (1-5) during the day. How many marks did she receive? A) 6 B) 8 C) 10 D) 12
- Three digit from four digits
How many three-digit numbers can you make using the digits 4,6,7 and 9?
Please find out how many different four-digit numbers we can create from the digits 3 and 8 so that the two digits three and two digits eight are used in each four-digit number created.Do you have unsolved problem that you need help? Ask a question, and we will try to solve it. Solving math problems.
