A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 50.0 and 52.0 minutes. Find the probability that a given class period runs between 51.25 and 51.5 minutes. Find the probability of selecting a class that runs between 51.25 and 51.5 minutes.

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A: mean=E(X)=∑x.P(x)

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A: Given,A random variable X~Uniform(10 , 22)f(x)=122-10f(x)=112  ;   10≤X≤22

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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.