A) 2000
B) 50000
C) 2000
D) 100000
Correct Answer: B
Solution :
\[P(A)=\frac{n(A)}{n(S)}\] \[0.00002=\frac{1}{n(S)}\] \[n(S)=\frac{1}{0.00002}=50000\]
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