Question

What is the probability of drawing a prime number from the given
numbers 1,2,3,4...........20?

Plz solution pure explaination k sath dena.
Koi bhi 1 se 20 k beech k no. likh k mt post krna .
plz its a request .​

Answer 1

Answer:

The probablity is 8/20 (or) 2/5.

Step-by-step explanation:

The prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19.

n(s)= total number of sample space=20

n(a)= number of prime numbers

P(a)= n(a)/n(s)

Therefore n(a)/n(s)= 8/20

by canceling we get 2/5.