Probability + multiplication principle - practice problems
Number of problems found: 54
- Dices throws
What is the probability that the two throws of the dice: a) Six falls even once b) Six will fall at least once
We throw 2 times with 2 dices. What is the probability that the first roll will fall more than sum of 9 and the second throw have sum 3 or does not have the sum 4?
What are the chances that in the lottery, in which the numbers are drawn 5 of 50, you win the first prize?
- travel agency
Small travel agency offers 5 different tours at honeymoon. What is the probability that the bride and groom choose the same tour (they choose independently)?
- 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?
The decision-making committee consists of three people. In order for the commission's decision to be valid, at least two members must vote in the same way. It is not possible not to vote in the commission, everyone only votes yes or no. We assume that the
- Hockey players
After we cycle, five hockey players sit down. What is the probability that the two best scorers of this crew will sit next to each other?
- Green - Red
We have 5 bags. Each consist one green and 2 red balls. From each we pull just one ball. What is the probability that we doesn't pull any green ball?
From the urn in which are 7 white balls and 17 red, gradually drag 3-times without replacement. What is the probability that pulls balls are in order: red red red?
In the box are 8 white, 4 blue and 2 red components. What is the probability that we pull one white, one blue and one red component without returning?
5 cards are chosen from a standard deck of 52 playing cards (13 hearts) with replacement. What is the probability of choosing 5 hearts in a row?
A school survey found that 10 out of 15 students like pizza. If 5 students are chosen at random, what is the probability that all 5 students like pizza?
Event P has probability of 0.84. What is the probability that the event P occurs in 3, 5, 7 try.
What is the probability that a random word composed of chars S, G, R, S, E, I, N, A, L, P, C, T, M, H, E, E will be the SPHERICALSEGMENT?
Probability - practice problems. Multiplication principle - practice problems.