MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Experimental/Empirical Probability

A ball is cho...

Question

A ball is chosen from the bag that contains 30 balls numbered from 1 to 30. What is the probability that the ball chosen will have a number that is divisible by 3?
[1 MARK]

Open in App

Solution

Answer : 1 Mark

There are 30 outcomes of which 10 are favourable.
Hence, the required probability is $\frac{10}{30}$ = $\frac{1}{3}$ .

Suggest Corrections

thumbs-up

5

Similar questions

Q. A bag contains

20

balls numbered from

1

20

. One ball is drawn at random from the bag. What is the probability that the ball drawn is marked with a number which is multiple of

3

4

Q. A box contains 19 balls bearing numbers 1, 2 3, ..........19 a ball is drawn at random from the box. What is the probability that the number on the ball is divisible by 3 ?

Q. There are three bags

B_{1}

B_{2},

B_{3}

B_{1}

contains 5 red and 5 green balls,

B_{2}

contains 3 red and 5 green balls,

B_{3}

contains 5 red and 3 green balls. Bags

B_{1}

B_{2}

B_{3}

have probabilities

\frac{3}{10}, \frac{3}{10}

\frac{4}{10}

respectively of being chosen. A bag is selected at random and a ball is chosen at random from the bag. Then which of the following option is/are correct?

A bag contains 5 red, 8 black and 7 white balls. One ball is chosen at random. What is the probability that the chosen ball is black?

(a) $\frac{2}{3}$

(b) $\frac{2}{5}$

(c) $\frac{3}{5}$

(d) $\frac{1}{3}$

B_{1}

4

2

black balls. Bag

B_{2}

3

4

black balls. A bag is drawn at random and a ball is chosen at random from it. What is the probability that the ball drawn is white?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Experimental Probability

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Experimental/Empirical Probability

Standard IX Mathematics

Join BYJU'S Learning Program

CrossIcon