A) \[\frac{4}{5}\]
B) \[\frac{1}{5}\]
C) \[\frac{7}{20}\]
D) \[\frac{3}{20}\]
Correct Answer: C
Solution :
Here \[P(A)=\frac{3}{4},\,P(B)=\frac{4}{5}\] \[\therefore \]Required probability\[=P(A).P(\bar{B})+P(\bar{A})\,.\,P(B)=\frac{7}{20}\].You need to login to perform this action.
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