Question #167b4

1 Answer
Manasvini Nittala
Dec 8, 2017

P(B)=1/13

Explanation:

given P(A)=0.7 and P(AuuB)=0.6,P(B)=x
since the happening of the events A and B are independent we can say P(AnnB)=P(A)P(B)
from addition theorem on probablilty
P(AuuB)=P(A)+P(B)-P(AnnB)
rArr0.6=0.7+x-0.7xrArr1.3x=0.1rArrx=1/13=

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