Find a 99% confidence interval for the previous problem.

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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Question 9: find a 99% confidence interval for the previous problem
Find a 99% confidence interval for the previous problem.
(2.47, 2.53)
(2.40, 2.40)
(2.46, 2.54)
(2.46, 2.58)
Transcribed Image Text:Find a 99% confidence interval for the previous problem. (2.47, 2.53) (2.40, 2.40) (2.46, 2.54) (2.46, 2.58)
A computer company makes a new computer chip with an
advertised processing power of 2.4GHZ and a standard
deviation of 0.1GHZ. Computer chip processing power is
normally distributed. The company tests 39 chips that have an
average of 2.5 GHz with a standard deviation of 0.1GHZ. Find
a 95% confidence interval for the average processing power of
all computer chips produced.
(2.37, 2.43)
(2.47, 2.53)
(2.47, 2.58)
(2.40,2.40)
Transcribed Image Text:A computer company makes a new computer chip with an advertised processing power of 2.4GHZ and a standard deviation of 0.1GHZ. Computer chip processing power is normally distributed. The company tests 39 chips that have an average of 2.5 GHz with a standard deviation of 0.1GHZ. Find a 95% confidence interval for the average processing power of all computer chips produced. (2.37, 2.43) (2.47, 2.53) (2.47, 2.58) (2.40,2.40)
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