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A sample of 100 dry battery cells tested to find the length of life produced the following results : X= 12 hours, a= 3 hours Assuming the data to be normally distributed, what percentage of battery cells are expected to have life : () More than 15 hours, ( Less than 6 hours, and

A sample of 100 dry battery cells tested to find the length of life produced the following results : X= 12 hours, a= 3 hours Assuming the data to be normally distributed, what percentage of battery cells are expected to have life : () More than 15 hours, ( Less than 6 hours, and

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A sample of 100 dry battery cells tested to find the length of life produced the tollowing results : X= 12 hours, o =3 hours Assuming the data to be normally distributed, what percentage of battery cells are expected to have lile : () More than 15 hours, (h) Less than 6 hours, and (i) between 10 and 14 hours ? (Given z: 2.5 1. 0.67 sta sD0.3413 sd aou w etubiti b Area 0.4938 0.4772 0.2487
Transcribed Image Text:A sample of 100 dry battery cells tested to find the length of life produced the tollowing results : X= 12 hours, o =3 hours Assuming the data to be normally distributed, what percentage of battery cells are expected to have lile : () More than 15 hours, (h) Less than 6 hours, and (i) between 10 and 14 hours ? (Given z: 2.5 1. 0.67 sta sD0.3413 sd aou w etubiti b Area 0.4938 0.4772 0.2487
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