A firm produces computer chips for personal computers. From past experience, the firm knows that 4% of
Question:
A firm produces computer chips for personal computers.
From past experience, the firm knows that 4% of the chips are defective. The firm collects a sample of the first 500 chips manufactured at 1:00 pm for the past two weeks. The following sample proportions are obtained:
a. Construct a p chart. Plot the sample proportions on the p chart.
b. Can the firm conclude that the process is operating properly?
Transcribed Image Text:
0.044 0.052 0.060 0.036 0.028 0.042 0.034 0.054 0.048 0.025
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a Centerline UCL LCL b All sample proportions are withi...View the full answer
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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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