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A missing helicopter is reported to have crashed somewhere in

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A missing helicopter is reported to have crashed somewhere in the rectangular region shown in Fig. 15.2. What is the probability that it crashed inside the lake shown in the figure?

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A missing helicopter is reported to have crashed somewhere in the rectangular region shown in Fig. 15.2. What is the probability that it crashed inside the lake shown in the figure?

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Text solutionVerified

Solution: Let

A_{R}

is area of rectangular region in square km and

A_{L}

is area of lake in square km .
Required probability can be given by,

P (X) = \frac{A _{L}}{A _{R}}

Now,

A_{R} = 9 * 4.5 = 40.5

A_{L} = (9 - 6) * (4.5 - 2) = 3 * 2.5 = 7.5

So,

P (X) = \frac{7.5}{40.5} = \frac{5}{27}

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Question Text	A missing helicopter is reported to have crashed somewhere in the rectangular region shown in Fig. 15.2. What is the probability that it crashed inside the lake shown in the figure?
Answer Type	Text solution:1
Upvotes	152