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 life : () More than 15 hours, (i) Less than 6 hours, and (ii) between 10 and 14 hours ? (Given z: 2.5 0.67 Area 0.4938 0.4772 D0.3413 0.2487

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
A sample of 100 dry baltery 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 battlery cells are expected to
have life :
(i) More than 15 hours,
() Less than 6 hours, and
(ii) between 10 and 14 hours ?
(Given z:
2.5
0.67
Area
0.4938
0.4772
D0.3413
0.2487
Transcribed Image Text:A sample of 100 dry baltery 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 battlery cells are expected to have life : (i) More than 15 hours, () Less than 6 hours, and (ii) between 10 and 14 hours ? (Given z: 2.5 0.67 Area 0.4938 0.4772 D0.3413 0.2487
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman