The life in hours of a 60-watt light bulb is known to be normally distributed with o=10 hours. A random sample of 16 bulbs has average life of =3000 hours. (a) Construct a 95% two-sided confidence interval on the mean life of the light bulb. (b) Construct a 95% lower-confidence bound on the mean life of the light bulb.

The life in hours of a 60-watt light bulb is known to be normally distributed with o=10 hours. A random sample of 16 bulbs has average life of =3000 hours. (a) Construct a 95% two-sided confidence interval on the mean life of the light bulb. (b) Construct a 95% lower-confidence bound on the mean life of the light bulb.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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