A) \[50/51\]
B) \[49/50\]
C) \[51/50\]
D) \[50/49\]
Correct Answer: A
Solution :
We know \[\beta =\frac{\alpha }{1-\alpha },\] Given \[\beta =50\] So, \[50=\frac{\alpha }{1-\alpha }\] \[50-50\alpha =\alpha \] \[50=51\,\alpha \] \[\alpha =\frac{50}{51}\]
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