Question

(iv) A two-digit number is formed from the digits 0, 1, 2, 3, 4 without repetition.
Find the probability that the number so formed is a prime number.​

Answer 1

Answer:

S=(10,12,13,14,21,23,24,31,32,34,40,41,42,43,30,20)

let event A be the prime number

A=(13,23,31,41,43)

P(a)=n(a)/:()