Given a random variable X having a normal distribution with population mean=40 and standard deviation =5, find the probability that X assumes a value between 45 and 62 a. exactly 5 have 3 or more cars? a. less than 4 have 3 or more cars? b. at least 4 have 3 or more cars?

Given a random variable X having a normal distribution with population mean=40 and standard deviation =5, find the probability that X assumes a value between 45 and 62 a. exactly 5 have 3 or more cars? a. less than 4 have 3 or more cars? b. at least 4 have 3 or more cars?

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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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.

Question

Given a random variable X having a normal distribution with population mean=40 and standard deviation =5, find the probability that X assumes a value between 45 and 62

a. exactly 5 have 3 or more cars?

a. less than 4 have 3 or more cars?

b. at least 4 have 3 or more cars?

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