μ-48 σ =2 μ-3σ μ. μ-σ μ+2σ μ+ 3σ μ

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The time to complete an exam is approximately Normal with a mean of 48 minutes and a standard
deviation of 2 minutes.
The bell curve below represents the distribution for testing times. The scale on the horizontal axis is
equal to the standard deviation. Fill in the indicated boxes.
l = 48
= 2
H-30 u-20
μ+σ μ+ 2σ μ+3σ
Transcribed Image Text:The time to complete an exam is approximately Normal with a mean of 48 minutes and a standard deviation of 2 minutes. The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation. Fill in the indicated boxes. l = 48 = 2 H-30 u-20 μ+σ μ+ 2σ μ+3σ
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