A manufacturer knows that their items have a normally distributed length, with a mean of 15.5 inches, and tandard deviation of 2.8 inches. f one item is chosen at random, what is the probability that it is less than 13.5 inches long?
A manufacturer knows that their items have a normally distributed length, with a mean of 15.5 inches, and tandard deviation of 2.8 inches. f one item is chosen at random, what is the probability that it is less than 13.5 inches long?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
Related questions
Question
Transcribed Image Text:A manufacturer knows that their items have a normally distributed length, with a mean of 15.5 inches, and
standard deviation of 2.8 inches.
If one item is chosen at random, what is the probability that it is less than 13.5 inches long?
Transcribed Image Text:A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.5 years, and
standard deviation of 3.1 years.
If you randomly purchase one item, what is the probability it will last longer than 11 years?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 1 images
Recommended textbooks for you