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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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1. Microprocessor chips coming off of a Fab line are tested to divide them into 3 speed
categories: 2GHz, 3GHz, and 6GHz. 900 chips are tested with 200 being placed in the
2GHz category, 400 being placed in the 3GHz category, and 300 being placed in the
6GHz category.
a) What is the average speed of this batch of chips? Show your work clearly.
b) If you are given that the standard deviation in the chip speed is equal to 0.5 GHz,
determine the 99% confidence interval CONF γ.
Use the following table:

Transcribed Image Text:b) If you are given that the standard deviation in the chip speed is equal to 0.5 GHz
determine the 99% confidence interval CONFY. Use the following table:
0.99
0.9
0.95
0.999
1.65
1.96
2.58
3.29
C
Write down any formulas that you use and circle your final answer.
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