Question

(ii) Two-digit numbers are formed from the digits 2, 5, 7 without repetition. Complete the following activity to find the probability that the numbers so formed are divisible by (a) 3 (b) 5.

S= {[__________]}

...n(S) =[_______]

Event A: The number formed is divisible by 3.

... n (A) =[_____],P(A) = n(A)\n(S) = [____]
[____]
Event B: The number formed is divisible by 5.

n(B) =[_____],P(B) =n(B)\n(S)
= [____]
[____]​

Answer 1

Answer:

yes its correct your answer should be wriiten in full forms