Let E and F be events with P(E)=35,P(F)=310 and P(E∩F)=15. Are E and F independent ?
A
True
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B
False
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Solution
The correct option is B False It is given that P(E)=35,P(F)=310 and P(EF)=P(E∩F)=15 P(E)⋅P(F)=35⋅310=950≠15 ⇒P(E)⋅P(F)≠P(EF) Therefore, E and F are not independent.