Homework Help is Here – Start Your Trial Now!
Math
Statistics
d. For the 14 tires tested, find the probability that the average miles (in thousands) before need of replacement is between 71.2 and 74.9. e. For part d), is the assumption that the distribution is normal necessary? O Yes No

d. For the 14 tires tested, find the probability that the average miles (in thousands) before need of replacement is between 71.2 and 74.9. e. For part d), is the assumption that the distribution is normal necessary? O Yes No

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
See similar textbooks
icon
Related questions
Question

need help please

d. For the 14 tires tested, find the probability that the average miles (in thousands) before need of replacement is between 71.2 and 74.9. e. For part d), is the assumption that the distribution is normal necessary? O Yes No
Transcribed Image Text:d. For the 14 tires tested, find the probability that the average miles (in thousands) before need of replacement is between 71.2 and 74.9. e. For part d), is the assumption that the distribution is normal necessary? O Yes No
The average number of miles (in thousands) that a car's tire will function before needing replacement is 66 and the standard deviation is 16. Suppose that 14 randomly selected tires are tested. Round all answers to 4 decimal places where possible and assume a normal distribution.
Transcribed Image Text:The average number of miles (in thousands) that a car's tire will function before needing replacement is 66 and the standard deviation is 16. Suppose that 14 randomly selected tires are tested. Round all answers to 4 decimal places where possible and assume a normal distribution.
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
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
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
SEE MORE TEXTBOOKS