Combinatorial number - practice problems - page 2 of 15
Number of problems found: 292
- Teams
How many ways can we divide 16 players into two teams of 8 members? - Examination
The class is 25 students. How many ways can we choose 5 students for examination? - Designated 66594
Marenka is required to read three books out of five designated books. How many ways can three books choose to be read? - Commission 37591
Out of 10 candidates, we must select three for the commission. How many ways can this be done? - Thirteen 37581
Thirteen skiers compete in the big slalom. The first four advance to the finals. How many options are there? - Binomial probability
What is the binominal probability that at least 4 of the six trials (n=6) are succeeded where φ = 0.50? - Dice
We threw ten times playing dice. What is the probability that the six will fall exactly four times? - Fish tank
A fish tank at a pet store has 27 zebrafish. In how many different ways can George choose 2 zebra fish to buy? - Bulbs
The probability that the bulb can operate 4000 hours is 0.3. What is the probability that exactly one of the eight bulbs can operate 4000 hours? - Basketball 54361
The basketball team consists of five players. Determine how many options his coach has to build a team if he has 12 players. - Possibilities 36911
There are seven fountains in the city. Only five always work. How many possibilities do five fountains work at the same time? - Different 36891
We put seven different things out of fifteen various goods in the shopping cart. How many cart content options occur? - Probability 18073
Determine the probability that three balls, ten red, and ten blue balls, will be drawn from 3 balls of the same color. - Probability 7628
The probability that six will fall in just three rolls is once? - Admittedly 7431
How many ways can three children divide five small and six large exercise books? Admittedly, some get nothing. - How many 31
How many ways can a teacher select a group of 3 students to sit in the front row if the class has 13 students? - Dice
We throw five times the dice. What is the probability that six fits precisely twice? - Disco
At the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples? - Selected 37601
V III. There are 22 students in the FPR class. How many ways can four students be selected for a DVK class exam? - Students 36881
As a reward, the land for the trip is ten students from a class of 25 students. How many options are there?
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