Let A1, A2, . . . , A100 be a random sample from a uniform distribution on the interval(0,1). Let B = A1 + A2 + . . . + A100. 1. Let A¯ = B/100. Find P(2 < A¯ < 2.15).

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A: The answer can be given using the concept of normal distribution.

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A: It is an important part of statistics. It is widely used.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.