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A: please stop  posting these king of questions and misleading others Explanation:Step 1:post your…

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A: Given

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A: or you can use Heron's Formula to find the area of the triangle.

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A: 23.(i)

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A:

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A:

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.