electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed with a standard deviation of 50 hours. If a sample of 45 bulbs has an average life of 790 hours, find a 96% confidence interval for the population mean of all bulbs produced by this firm. The confidence interval is ________ < μ < ____________ (Round to the nearest integer as
electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed with a standard deviation of 50 hours. If a sample of 45 bulbs has an average life of 790 hours, find a 96% confidence interval for the population mean of all bulbs produced by this firm. The confidence interval is ________ < μ < ____________ (Round to the nearest integer as
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 24PFA
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An electrical firm manufactures light bulbs that have a length of life that is approximately
The confidence interval is ________ < μ < ____________
(Round to the nearest integer as needed.)
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