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Question : 58 of 160
Marks:
+1,
-0
Solution:
Let
E1 be the event of
A speaking the truth
∴‌‌P(E1)=‌=‌ P(E1)=1−‌=‌ E2 be the event of
B speaking the truth.
P(E2)=‌ P(E2)=‌ P(E2)=1−‌=‌ Required, Probability
=P(E1)â‹…P(E2)+P(E2)â‹…P(E1)
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