A beverage filling machine when in perfect David Bourgeois @The Business

Question 24 / 187: A beverage filling machine, when in perfect adjustment, fills bottles of Sierra Nevada Pale Ale® with 12 ounces of refreshment. A random sample of 51 bottles is selected and the contents are measured. The sample yields a mean content of 11.88 ounces with a sample standard deviation of 0.3565 ounces. To test if the machine is in perfect adjustment at 12 ounces, the null and alternative hypotheses are best written as which of the following?

A $$ \begin{matrix} H_0: \mu = 12 & \\ H_A: \mu \neq 12 & \end{matrix} $$

B $$ \begin{matrix} H_0: \mu \neq 12 & \\ H_A: \mu = 12 & \end{matrix} $$

C $$ \begin{matrix} H_0: \mu = 12 & \\ H_A: \mu \leq 12 & \end{matrix} $$

D $$ \begin{matrix} H_0: \mu = 12 & \\ H_A: \mu < 12 & \end{matrix} $$

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https://www.jobilize.com/business-statistics-by-david-bourgeois-bharatendra-rai

Business Statistics

Author:

David BourgeoisLecturer

The Saylor Academy

USA

Access: Public Instant Grading

Attribution: David T. Bourgeois, PhD; Bharatendra K. Rai, PhD. Business Statistics. The Saylor Academy 2014, http://www.saylor.org/courses/bus204/

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