There are 20 balls in the urn with numbers from 1 to 20. What is the probability of taking out the ball with number 37?

There are 20 balls in the urn with numbers from 1 to 20. What is the probability of taking out the ball with number 37? with number 5?

Let’s write the formula for finding the probability:

P (A) = m / n

Where

m is the number of favorable outcomes,

n is the total number of all possible events.

The probability of taking out the ball with number 37 is zero, since there is no such ball number in the urn.

The probability of removing any specific one number of the ball from the urn, in our case 5, included in the interval 1-20 is:

P (A) = 1/20 = 0.05 – the probability of taking out the ball with the number 5.

Answer: 0.05.