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.

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Question 8: A computer company makes a new computer chip with an advertised processing power of 2.5 GHz and a standard deviation of 0.1 GHz.. 
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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