45 to 65 A 40 to 70 A 50 to 60 A.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Suppose the data have a bell-shaped distribution with a mean of 55 and a standard deviation of 5. Use the empirical rule to
determine the percentage of data within of the following range:
45 to 65 Approximately 95%
40 to 70
Almost all
50 to 60 Approximately 68%
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Transcribed Image Text:Check My Work еВook Suppose the data have a bell-shaped distribution with a mean of 55 and a standard deviation of 5. Use the empirical rule to determine the percentage of data within of the following range: 45 to 65 Approximately 95% 40 to 70 Almost all 50 to 60 Approximately 68% Hide Feedback Correct Check My Work
Expert Solution
Step 1

Let , X→N(μ=55 , σ=5)

By using Empirical rule , 

Our aim is to find the following : 

a) P(45<X<65)

b) P(40<X<70)

c) P(50<X<60)

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