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If P(E)=0.6,P(F)=0.3 and P(E nn F)=0.2, ...

If `P(E)=0.6,P(F)=0.3` and `P(E nn F)=0.2`, then find `P(E//F)`.

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The correct Answer is:
To find \( P(E|F) \), we can use the formula for conditional probability: \[ P(E|F) = \frac{P(E \cap F)}{P(F)} \] Where: - \( P(E|F) \) is the probability of event \( E \) given that event \( F \) has occurred. - \( P(E \cap F) \) is the probability of both events \( E \) and \( F \) occurring. - \( P(F) \) is the probability of event \( F \). Given: - \( P(E) = 0.6 \) - \( P(F) = 0.3 \) - \( P(E \cap F) = 0.2 \) Now, we can substitute the known values into the formula: \[ P(E|F) = \frac{P(E \cap F)}{P(F)} = \frac{0.2}{0.3} \] Now, we can simplify this fraction: \[ P(E|F) = \frac{2}{3} \approx 0.6667 \] Thus, the final answer is: \[ P(E|F) = \frac{2}{3} \]
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Given that E and F are events such that P(E)=0.6,P(F)=0.3 and P(E nn F)=0.2 . then (i) P(E//F)=(2)/(3) (ii) P(F//E)=(2)/(3) .

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Knowledge Check

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