A company manufactures light bulbs. The company wants the bulbs to have a mean life span of 997 hours. This average is maintained by periodically testing random samples of 16 light bulbs. If the t-value falls between −t0.90 and t0.90, then the company will be satisfied that it is manufacturing acceptable light bulbs. For a random sample, the mean life span of the sample is 1002 hours and the standard deviation is 25 hours. Assume that life spans are approximately normally distributed. Is the company making acceptable light bulbs? Explain. Question content area bottom Part 1 The company ▼ is not is making acceptable light bulbs because the t-value for the sample is t=enter your response here and t0.90=enter your response here. (Round to two decimal places as needed.)
A company manufactures light bulbs. The company wants the bulbs to have a mean life span of 997 hours. This average is maintained by periodically testing random samples of 16 light bulbs. If the t-value falls between −t0.90 and t0.90, then the company will be satisfied that it is manufacturing acceptable light bulbs. For a random sample, the mean life span of the sample is 1002 hours and the standard deviation is 25 hours. Assume that life spans are approximately normally distributed. Is the company making acceptable light bulbs? Explain. Question content area bottom Part 1 The company ▼ is not is making acceptable light bulbs because the t-value for the sample is t=enter your response here and t0.90=enter your response here. (Round to two decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
A company manufactures light bulbs. The company wants the bulbs to have a mean life span of
normally distributed. Is the company making acceptable light bulbs? Explain.
997
hours. This average is maintained by periodically testing random samples of
16
light bulbs. If the t-value falls between
−t0.90
and
t0.90,
then the company will be satisfied that it is manufacturing acceptable light bulbs. For a random sample, the mean life span of the sample is
1002
hours and the standard deviation is
25
hours. Assume that life spans are approximately Question content area bottom
Part 1
The company
making acceptable light bulbs because the t-value for the sample is
▼
is not
is
t=enter your response here
and
t0.90=enter your response here.
(Round to two decimal places as needed.)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman