https://comojogaruno.com/what-is-the-probability-that-a-number-selected-from-the-numbers-12-3-25-is-a-prime-number-when-each-of-the-given-number-is-equally-likely-to-be-selected
What is the probability that a number selected from the numbers 1,2 3 25 is a prime number when each of the given number is equally likely to be selected?