An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 3.7 mm, how many of these components should she consider to be 90% sure of knowing the mean will be within 0.3 mm? She should consider components.
An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 3.7 mm, how many of these components should she consider to be 90% sure of knowing the mean will be within 0.3 mm? She should consider components.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:An engineer wishes to determine the width of a particular
electronic component. If she knows that the standard
deviation is 3.7 mm, how many of these components should
she consider to be 90% sure of knowing the mean will be
within +0.3 mm?
She should consider
components.
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