# White and black balls

There are seven white and three black balls in an opaque pocket. The balls are the same size.

a) Randomly pull out one ball. What is the probability that it will be white?

We pull out one ball, see its color, and return it to the pocket. Then

we pull out the ball again. What is the probability that:

b) both balls will be white

c) both balls will be the same color

d) will the first ball be white and the second black?

a) Randomly pull out one ball. What is the probability that it will be white?

We pull out one ball, see its color, and return it to the pocket. Then

we pull out the ball again. What is the probability that:

b) both balls will be white

c) both balls will be the same color

d) will the first ball be white and the second black?

## Correct answer:

Tips for related online calculators

### You need to know the following knowledge to solve this word math problem:

### Grade of the word problem:

## Related math problems and questions:

- Cards

Suppose that are three cards in the hats. One is red on both sides, one of which is black on both sides, and a third one side red and the second black. We randomly pull out a hat on one card and see one side of it is red. What is the probability that the - Probability 6559

In the first container, we have 3 white and 6 black balls. In the second container, we have 2 white and 6 black balls. We randomly transfer 1 ball from the first container to the second container. What is the probability that I then pick 2 white marbles f - 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? - Choices 82334

There are 15 black and 15 white balls in an opaque bag. Elenka took one ball out of the bag three times. what choices of the three balls could she choose?

- 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? - Cards

From a set of 32 cards, we randomly pull out three cards. What is the probability that it will be seven kings and an ace? - Probability 6549

There are 8 balls in the box, and 3 of them are new. For the first game, 2 balls are randomly selected from the box and returned after the game! For the second game, 2 balls are again chosen at random. What is the probability that both have already been u