Question

Find out the probability of picking a number which a prime number randomly picked from 20to30 (including) natural numbers?

Answer 1

Answer:

1/5

Step-by-step explanation:

No. of events (E) between 20 to 30 = 10

Prime numbers (N) between 20 to 30 = 23 and 29

No. of prime numbers between 20 to 30 = 2

P(N) = N/E

P(N) = 2/10

P(N) = 1/5

Answer 2

Answer: The prime numbers between 20 to 30 are 23 and 29 .

Now ,

      Probability = No. of favourable outcomes / Possible outcomes

                          = 2/10

                          = 1/5

Hope it helps.....................................!