If E & F are events with P(E)≤P(F) & P(E∩F)>0, then
A
occurrence of E ⇒ occurrence of F
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B
occurrence of F⇒ occurrence of E
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C
non occurrence of E ⇒ non occurrence of F
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D
none of the above implications holds
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Solution
The correct option is D none of the above implications holds Given,P(E)≤P(F)andP(E∩F)>0 ⇒ there is a some common exist between E and F which is shown in below image. 1) Occurence of E doesn't always ⇒ occurence of F,since E≠F always.when E<F,There is chance of occuring E irrespective of occurence of F 2)Similary Occurence of F doesn't always ⇒ occurence of E,since E≠F.when E<F,There is chance of occuring F irrespective of occurence of E 3)Similary Occurence of E doesn't always ⇒ non-occurence of F,since E≠F.There might be a chance of F to occur irrespective of E not occuring. ∴ None of the given options are correct.