SCENARIO 8-12
The Three Brothers Energy Drink Company bottles and distributes a popular drink for athletes and exercise enthusiasts.Because of its marketing successes the company has installed an additional filling machine and the managers are eager to use it in daily operations.The machine is set to fill bottles at 16 oz.
However,we know there is inherent machine variability and quality control has determined through testing a mean of 16.2 oz.and a standard deviation of 0.3 oz.using a 100 bottle sample.
-Refer to Scenario 8-12
It is possible that a 90% confidence interval will not include the mean fill volume.

Question

SCENARIO 8-12
The Three Brothers Energy Drink Company bottles and distributes a popular drink for athletes and exercise enthusiasts.Because of its marketing successes the company has installed an additional filling machine and the managers are eager to use it in daily operations.The machine is set to fill bottles at 16 oz.
However,we know there is inherent machine variability and quality control has determined through testing a mean of 16.2 oz.and a standard deviation of 0.3 oz.using a 100 bottle sample.
-Refer to Scenario 8-12
 It is possible that a 90% confidence interval will not include the mean fill volume.

Quizplus · Accepted Answer

The confidence interval would need to be set at 99% or higher to ensure that it includes the mean fill volume. A 90% confidence interval would allow for the possibility of the true mean fill volume falling outside of the interval.

SCENARIO 8-12 the Three Brothers Energy Drink Company Bottles and Distributes a Distributes