Question

if n(a)=2 p(a)=1/5 then n(s)=



option:-

(A) 10 (B) 2 (C) 5 (D) 20​

Answer 1

Answer:

20

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Answer 2

Answer:

correct answer is option A)10 because p(a)=n(a)/n(s)

=1/5=2/n(s)

n(s)=10