Question

cards are marked with natural numbers 2 to 20
are placed in a box and mixed thoroughly
One card is drawn from the box find the
probability that the number on the card is a
prime number​

Answer 1

Answer:

It is 8/19

Step-by-step explanation:

It is because, there are 8 prime numbers in the natural numbers :2,3,5,7,11,13,17,19

And there are a total of 19 natural numbers :2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20

Which means : 8 prime numbers /19 natural numbers

So the probability of getting a prime number is 8/19

Happy to help