To determine the average number of minutes it takes to manufacture one unit of a new product, an assembly line manager tracks a random sample of 15 units and records the number of minutes it takes to make each unit. The times are assumed to have a normal distribution. THe sample yields a mean of 3.92 minutes and standard deviation of 0.45 minutes. Using a 95% confidence interval, predict the mean assembly time for units of the new product.
To determine the average number of minutes it takes to manufacture one unit of a new product, an assembly line manager tracks a random sample of 15 units and records the number of minutes it takes to make each unit. The times are assumed to have a normal distribution. THe sample yields a mean of 3.92 minutes and standard deviation of 0.45 minutes. Using a 95% confidence interval, predict the mean assembly time for units of the new product.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Do the 4 step process to complete this problem. PLEASE show all work and steps.
![To determine the average number of minutes it takes to
manufacture one unit of a new product, an assembly line
manager tracks a random sample of 15 units and records the
number of minutes it takes to make each unit. The times are
assumed to have a normal distribution. THe sample yields a
mean of 3.92 minutes and standard deviation of 0.45 minutes.
Using a 95% confidence interval, predict the mean assembly
time for units of the new product.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1095789d-1b28-4809-b9ee-040988c1d357%2F373ffe80-717b-48c2-a50a-6135de4efed0%2Frjcyiv_processed.png&w=3840&q=75)
Transcribed Image Text:To determine the average number of minutes it takes to
manufacture one unit of a new product, an assembly line
manager tracks a random sample of 15 units and records the
number of minutes it takes to make each unit. The times are
assumed to have a normal distribution. THe sample yields a
mean of 3.92 minutes and standard deviation of 0.45 minutes.
Using a 95% confidence interval, predict the mean assembly
time for units of the new product.
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