Question

Find out the probability of picking number which is a prime number . Randomly picked for 20 to 30 ( including) natural number

Answer 1

let a be the event where probability of picking number which is a prime number randomly picked from 20 to 30 and p(e) =1. p(n)=10. p(e)/p(n)=1/10. therefore the probability of picking number which is a prime number between 20 to 30 natural numbersis 1 by 10