Probability + combinatorial number - practice problems
Number of problems found: 107
- A pizza
A pizza place offers 14 different toppings. How many different three-topping pizzas can you order? - Five identical
Five identical coins are tossed. What is the probability of more than one head? - Cards
The player gets eight cards of 32. What is the probability that it gets a) all four aces b) at least one ace - 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? - 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? - 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? - Dice
We throw five times the dice. What is the probability that six fits precisely twice? - Probability 73714
I roll six six-sided dice; what is the probability that exactly three threes will fall? - Probability 73054
We roll six dice. What is the probability that: a) a six falls twice b) six falls four times - Containers
One in eight containers is temporarily misplaced. A random sample of 12 containers is selected. What is the probability that 6 of these containers will be temporarily misplaced? - Seeds
The germination of seeds of a certain species of carrot is 96%. What is the probability that at least 25 seeds out of 30 will germinate? - Probability 17503
We choose four numbers from numbers 1 - 20. What probability will the numbers 6 or 10 be among them? - Probability 32951
Determine the probability that when drawing three cards from a complete set of 32 marriage cards, it will be the same acorns or the kings themselves. - 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. - One green
In the container are 45 white and 15 green balls. We randomly select five balls. What is the probability that there will be one green ball maximally? - Created trio
What is the probability that in the created trio, which consists of 19 boys and 12 girls, they will be: a) the boys themselves b) the girls themselves c) 2 boys and one girl? - travel agency
A small travel agency offers five different tours on honeymoon. What is the probability that the bride and groom choose the same tour (they choose independently)? - Balls
The urn is eight white and six black balls. We pull four random balls. What is the probability that among them will be two white?
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