Math, asked by sofi521, 11 months ago

a number is choosen at random from Frist 25 natural numbers find the probability that the number is not a prime​

Answers

Answered by greatmehmoodali123
4

Answer:

the ans. will be

S= ( 1,2,3,4,5,6,7,8.....25)

n(S) = 25

event A is the no. is not a prime no.

A = (4,6,8,9,10,12,14,15,16,18,20,21,22,24,25)

n(A)=15

p(A) = n(S)÷ n(A)

= 25 ÷ 15 = 5 ÷ 3

the ans will be 5 /3

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