В2.(a)Given the probability Venn diagram below for the two Events A and B findthe probabilities:0.60.5A0.2(i)(ii)(iii)Pr( A 'OR' B)Pr( Not-A 'AND' Not-B)Pr( Not-A "OR' Not-B)(b)A random sample from a population of X with unknown mean but a knownvariance, o = 400, gives the following data: sample size, n= 125, Ex= 1750.(i)Give a point estimate of the population mean, u.(ii)Is this estimate biased or not. Give a reason.(ii)Derive a 95% confidence interval for the population mean, µ.

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Given the probability Venn diagram below for the two Events A and B find the probabilities: 0.6 0.5 A