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JEE Advanced Mathematics question

MathematicsProbabilityJEE Advanced

A, B, C are three events for which , , , , and . If then the interval of values of is

Answer: (A)

Solution

First, . Let . By inclusion–exclusion,

P(A B C)=0.6+0.4+0.5-0.2-x-0.3+0.2=1.2-x.

Since :

0.85

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Question ID VK-109768