Q. 325.0( 1 Vote )

Mark the correct alternative in each of the following:

If and then is equal to

A. 5/6

B. 5/7

C. 25/42

D. 1

Answer :

(Given)


To find


(1)


Let’s find the required values first and then we can put them into equation (1) to find the answer.


P(A) = 1 – P()


P() = 1 – P(A)




P(B) = 1 – P()


= 1 – P(B)




Also, according to the addition theorem of probability,


P(AB) = P(A) + P(B) – P(AB)






Also,



= 1 – P(AB)




Now let’s put all the values in Equation (1)


P=





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