9. Suppose that Y CZ and that n(Y) = a and n(Z) = b (so a and b are numbers!). Find n(Y N Z), n(Y U Z), and n(Y'nZ). %3D

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A: Solution-: Describe the types of probability samples and discuss under which conditions they may be…

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Q: #21

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A: Given, wx, y, z = xeyz     and x = -4t   y =4-t z = -4 +4t We have to find dwdt

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.