If Z is a random variable having the standard normaldistribution, find the respective values z1, z2, z3, and z4such that(a) P(0 < Z < z1) = 0.4306;(b) P(Z G z2) = 0.7704;(c) P(Z > z3) = 0.2912;(d) P(−z4 F Z < z4) = 0.9700.

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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.