The probability of a man hitting a target is 1/3. How many times must he fire so that the probability of hitting the target at least once is more than 90%? 4. 3.

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A: Let the length of the wire cut=xAll sides of square are same side length=yPerimeter= 4 y…

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A: .

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A: Here I am attaching image so that you understand each and every step.

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A: Modulus function always gives positive quantity in result.

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A: The solution is, t = ±5√2  The detailed solution is as follows below:

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A: