Answered: For a set of 250 measurements the mean…

For a set of 250 measurements the mean is 110 and the variance is 144, how many of these measurements are between 95 and 125?

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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Question

For a set of 250 measurements the mean is 110 and the variance is 144, how many of these measurements are between 95 and 125?

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Step 1: Determine the given variables

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Step 2: Calculate the z scores

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Step 3: Find the values of z-scores using Standard Normal Distribution table

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Step 4: Find the proportion

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