Question

find the probability that a no. selected at random from the no. 3,4,5.........25 is prime

Answer 1

3, 5, 7, 11, 13, 17, 19, 23 are favourable outcome and total possible outcome is 23 therefore answer is 8/23

Answer 2

all possible outcomes are 3,4,5... 25 .

number of all possible outcome = 23

out of this the prime numbers are 3, 5, 7 ,11 ,13 ,17 ,19, 23 .

number of favourable outcome =8.

p( getting a prime number )=8/23.

✌✌✌✌✌✌✌✌✌✌

#follow me