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The life span of a 30-watt LED light is known to be normally distributed with o = 20 hours. A random sample of 20 LED light has a mean life ofi = 1020 hours. Compare the 90% confidence lower bound of this confidence interval with a two-sided confidence interval, Which standard normal curve applies to the 90% confidence level? Include your solutions. O a. CI lower bound (1014) and CI two-sided (1013, 1027). Lower bound of the one-sided confidence interval is greater than the lower bound of two-sided -1 -3 -2 -1 i 2

The life span of a 30-watt LED light is known to be normally distributed with o = 20 hours. A random sample of 20 LED light has a mean life ofi = 1020 hours. Compare the 90% confidence lower bound of this confidence interval with a two-sided confidence interval, Which standard normal curve applies to the 90% confidence level? Include your solutions. O a. CI lower bound (1014) and CI two-sided (1013, 1027). Lower bound of the one-sided confidence interval is greater than the lower bound of two-sided -1 -3 -2 -1 i 2

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Oc NONE O d. CI lower bound (1014) and CI two-sided (1013, 1027). Lower bound of the one-sided confidence interval is greater than the lower bound of two-sided A A -3 -2 -3 -2 -1
Transcribed Image Text:Oc NONE O d. CI lower bound (1014) and CI two-sided (1013, 1027). Lower bound of the one-sided confidence interval is greater than the lower bound of two-sided A A -3 -2 -3 -2 -1
The life span of a 30-watt LED light is known to be normally distributed with o = 20 hours. A random sample of 20 LED light has a mean life ofi = 1020 hours. Compare the 90% confidence lower bound of this confidence interval with a two-sided confidence interval, Which standard normal curve applies to the 90% confidence level? Include your solutions. O a. CI lower bound (1014) and CI two-sided (1013, 1027). Lower bound of the one-sided confidence interval is greater than the lower bound of two-sided -1 i -3 -2 -1 i 2 A A O b.CI lower bound (1013) and CI two-sided (1011, 1029). Lover bound of the one-sided confidence interval is greater than the lower bound of two-sided -1
Transcribed Image Text:The life span of a 30-watt LED light is known to be normally distributed with o = 20 hours. A random sample of 20 LED light has a mean life ofi = 1020 hours. Compare the 90% confidence lower bound of this confidence interval with a two-sided confidence interval, Which standard normal curve applies to the 90% confidence level? Include your solutions. O a. CI lower bound (1014) and CI two-sided (1013, 1027). Lower bound of the one-sided confidence interval is greater than the lower bound of two-sided -1 i -3 -2 -1 i 2 A A O b.CI lower bound (1013) and CI two-sided (1011, 1029). Lover bound of the one-sided confidence interval is greater than the lower bound of two-sided -1
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