the probability that a number selected at random from the first 100 natural numbers is a composite number is ?
"explanation : the number of exhaustive events = 100 c ₁ = 100 . we have 25 primes from 1 to 100 . number of favourable cases are 75 . required probability = 75 / 50 = 3 / 2 . answer is d"
divide(multiply(subtract(multiply(const_6, const_3), const_1), const_2), 100)