Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3.2 years and a standard deviation of 0.9 years. a) Find the probability that a randomly selected portable MP3 player will have a replacement time less than 0.32 years? b) If the company wants to provide a warranty so that only 2% of the portable MP3 players will be replaced before the warranty expires, what is the time length of the warranty? warranty = years
Company XYZ know that replacement times for the portable MP3 players it produces are normally distributed with a mean of 3.2 years and a standard deviation of 0.9 years. a) Find the probability that a randomly selected portable MP3 player will have a replacement time less than 0.32 years? b) If the company wants to provide a warranty so that only 2% of the portable MP3 players will be replaced before the warranty expires, what is the time length of the warranty? warranty = years
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
Related questions
Question
Company XYZ know that replacement times for the portable MP3 players it produces are
a) Find the
b) If the company wants to provide a warranty so that only 2% of the portable MP3 players will be replaced before the warranty expires, what is the time length of the warranty?
warranty = years
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 4 steps with 7 images
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,