Allied & ICAR Exam Bank • ALLIED_2197 NAT • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

If $P(A) = 0.6$, $P(B) = 0.7$, and $P(A \cup B) = 0.9$, then the value of $P(B|A)$ rounded to two decimal places is:

Answer Key:

0.67

Step-by-Step Solution & Explanation

$P(A \cap B) = 0.6 + 0.7 - 0.9 = 0.4$. $P(B|A) = 0.4 / 0.6 = 2/3 \approx 0.67$.
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