Question: Refer to Exercise 8. a. Find a 99% upper confidence bound for the mean temperature. b. The claim is made that the mean temperature is

Refer to Exercise 8.
a. Find a 99% upper confidence bound for the mean temperature.

b. The claim is made that the mean temperature is less than 349.5◦F. With what level of confidence can this statement be made?

Refer to Exercise 8.

Oven thermostats were tested by setting them to 350◦F and measuring the actual temperature of the oven. In a sample of 67 thermostats, the average temperature was 348.2◦F and the standard deviation was 5.1◦F.

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