A) 18
B) 12
C) 10
D) 9
Correct Answer: A
Solution :
Given \[np=6,\,npq=4\] \ \[\frac{npq}{np}=\frac{4}{6}\,\,\Rightarrow \,q=\frac{2}{3}\] and \[p=\frac{1}{3}\] \[\because \]\[np=6\,\Rightarrow \,n\times \frac{1}{3}=6\] \[\Rightarrow \,n=18\].You need to login to perform this action.
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