Complete the table and find the Expected value u of this probability distribution. * P(z) xP(2) 0.05 0.3 0.25 3 0.4

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Q: 11-15 1- 2 3 4 P(x) 0.11 0.21 0.22 0.39 0.07 16-20. 2 P'(x) 0. 12 0.42 0.36 0.09

A:

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

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A: P(X=0) = 0.25 P(X=2) = 0.32 P(X =3) = 0.28

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Q: this a legitimate probability distribution?  P(x) = (2x - 1)/15 x = 0, 1, 2, 3, 4

A:

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.