An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24 light bulbs have a mean life span of 600 hours with a standard deviation of 50 hours. Compute the 99% confidence interval. O a. 571.351>p>628.649 O b. 571.883<µ<628.117 O c. 571.883>u>628.117 Od. 571.351<µ<628.649
An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24 light bulbs have a mean life span of 600 hours with a standard deviation of 50 hours. Compute the 99% confidence interval. O a. 571.351>p>628.649 O b. 571.883<µ<628.117 O c. 571.883>u>628.117 Od. 571.351<µ<628.649
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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Question
![An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24 light bulbs
have a mean life span of 600 hours with a standard deviation of 50 hours.
Compute the 99% confidence interval.
O a. 571.351>p>628.649
O b. 571.883<µ<628.117
O c. 571.883>µ>628.117
O d.
571.351<µ<628.649](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F20857754-b159-4575-803a-a70c12558aeb%2F49903271-1fd0-40b6-9244-6d620ab814fd%2Fh8qqz5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24 light bulbs
have a mean life span of 600 hours with a standard deviation of 50 hours.
Compute the 99% confidence interval.
O a. 571.351>p>628.649
O b. 571.883<µ<628.117
O c. 571.883>µ>628.117
O d.
571.351<µ<628.649
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