You work for a company that produces electronics with integrated circuits. Une of your products is called a "shift register." This product is designed to automatically shut down if its operating temperature exceeds 175 degrees Celsius. The manufacturing process has been designed to have a standard deviation of o = 0.4 degrees Celsius. You test a random sample 17 shift registers, and you record the following shut- down temperatures. Construct a 90% confidence interval for the overall mean shutdown-temperature. 175.7 174.87 174.8 175.16 174.53 174.94 175.19 174.68 175.62 175.33 175.5 174.94 174.69 175.24 174.66 (Checksum: 2975.87) a) Find the critical value and 0. Critical Value: 01: b) Find the confidence interval: 175.32 174.7

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You work for a company that produces electronics with integrated circuits. One of your products is called a
"shift register." This product is designed to automatically shut down if its operating temperature exceeds
175 degrees Celsius. The manufacturing process has been designed to have a standard deviation of
σ = 0.4 degrees Celsius. You test a random sample 17 shift registers, and you record the following shut-
down temperatures. Construct a 90% confidence interval for the overall mean shutdown-temperature.
175.32
175.7 174.87 174.8 175.16 174.53
174.94 175.19 174.68 175.62 175.33 174.7
175.5 174.94 174.69 175.24 174.66
(Checksum: 2975.87)
a) Find the critical value and 0.
Critical Value:
01:
b) Find the confidence interval:
Transcribed Image Text:You work for a company that produces electronics with integrated circuits. One of your products is called a "shift register." This product is designed to automatically shut down if its operating temperature exceeds 175 degrees Celsius. The manufacturing process has been designed to have a standard deviation of σ = 0.4 degrees Celsius. You test a random sample 17 shift registers, and you record the following shut- down temperatures. Construct a 90% confidence interval for the overall mean shutdown-temperature. 175.32 175.7 174.87 174.8 175.16 174.53 174.94 175.19 174.68 175.62 175.33 174.7 175.5 174.94 174.69 175.24 174.66 (Checksum: 2975.87) a) Find the critical value and 0. Critical Value: 01: b) Find the confidence interval:
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