QUESTION
यदि P(A)=0.4 P(B)=0.7 और A तथा B independent हैं तो P(A ∩ B) कितना होगा?
If P(A)=0.4 P(B)=0.7 and A and B are independent then what is P(A ∩ B)?
CORRECT ANSWER
B
0.28 / 0.28
EXPLANATION INSIDE
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Step 1: Independent events के लिए P(A ∩ B)=P(A)P(B) होता है। Step 2: 0.4×0.7=0.28 इसलिए option B सही है। Step 3: Independent word दिखे तो multiplication rule लगाएं।