Combinatorics - math word problems - page 44 of 54
Number of problems found: 1077
- Ten points
There are ten arbitrary points in the plane. How many circles can we make from them? - Round table
Find the number of ways in which eight people can be seated at a round table such that 2 of them always sit together. - Two dice
We roll two dice. What is the probability that the sum of the falling numbers is greater than 3? - Kids
How many different ways can sit 6 boys and 3 girls in line if girls want to sit on the edge? - Guests
How many ways can 8 guests sit down on 10 seats standing in a row? - Probability 7812
We have 20 balls in the bag, numbered from 1 to 20. Determine the spring probability that I will pull a ball with a steam number and less than 13 from the bag. - Stacks
Annie has a total of $ 414. The money must be divided into stacks so that each buyer has the same amount. How many options does she have?
- Chocolates
How many ways can we distribute eight different chocolates to four children? - Words
How many 2 letters "words" are possible using 14 letters of the alphabet? a) without repetition b) with repetition - 7 heroes
6 heroes galloping on 6 horses behind. How many ways can we sort them behind? - Subsets
How many are all subsets of set C = (97, 67, 66, 18, 59, 64)? - Probability 47373
We were tasked with throwing the dice until we hit the "six." a) Find the average number of throws we will have to make to complete the task. b) How many times do we have to roll the dice so that the probability of falling at least one "six" is at least 9 - Ball bearings
One bearing is selected from the shipment of ball bearings. It is known from previous deliveries that the inner bearing radius can be considered a normal N distribution (µ = 0.400, σ2 = 25.10^−6). Calculate the probability that the selected radius will ex - Repeated 33571
Use the digits 3, 4, 5, and 6 to write all even numbers. How many such numbers can you write when you can repeat the numbers? - Notation 7014
There is no 0 in the decimal notation in natural numbers; there are even numbers or odd numbers, each at least once. Find the number of all k-digit natural numbers.
- Refrigerator, lemonades
How many possible ways can we store three lemonades, four mineral waters, and two juices in the refrigerator next to each other? - Vans
In how many ways can 5 shuttle vans line up at the airport? - Probability 81679
What is the probability that a roll of three dice will result in a number less than 7? - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates? - Probability of malaria
A survey carried out at a certain hospital indicates that the probability that a patient testing positive for malaria is 0.6. What is the probability that two patients were selected at random (i) one is negative while the other tested positive (i) both pa
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