A research group gathers data on the lifetimes of light bulbs (exciting, I know). The find the average lifetime of a light bulb to be 830.7 hours with a standard deviation of 85.2 hours. Assuming a Gaussian distribution in the data, what is the probability (given in percent) of a light bulb have a lifetime of greater 890.0 hours? Report your answer in a percentage to the 1/100ths place.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
icon
Related questions
Question
A research group gathers data on the lifetimes of light bulbs (exciting, I know). The
find the average lifetime of a light bulb to be 830.7 hours with a standard deviation
of 85.2 hours.
Assuming a Gaussian distribution in the data, what is the probability (given in
percent) of a light bulb have a lifetime of greater 890.0 hours?
Report your answer in a percentage to the 1/100ths place.
Transcribed Image Text:A research group gathers data on the lifetimes of light bulbs (exciting, I know). The find the average lifetime of a light bulb to be 830.7 hours with a standard deviation of 85.2 hours. Assuming a Gaussian distribution in the data, what is the probability (given in percent) of a light bulb have a lifetime of greater 890.0 hours? Report your answer in a percentage to the 1/100ths place.
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning