Suppose That a Device Advertised to Increase a Car's Gas $\mathrm { H } _ { 0 }$

question 77

Multiple Choice

Suppose that a device advertised to increase a car's gas mileage really does not work. We test it on a
Small fleet of cars (with H0: not effective) , and our data results in a P-value of 0.004. What
Probably happens as a result of our experiment?

• A) We correctly reject \(\mathrm { H } _ { 0 }\).
• B) We fail to reject \(\mathrm { H } _ { 0 }\), committing Type II error.
• C) We reject \(\mathrm { H } _ { 0 }\), making a Type I error.
• D) We correctly fail to reject \(\mathrm { H } _ { 0 }\).
• E) We reject \(\mathrm { H } _ { 0 }\), making a Type II error.

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Definitions:

Forming Department

A manufacturing sector focused on shaping or structuring materials into their desired forms.

Assembly Department

A division within a manufacturing plant where components are assembled into final products.

Direct Labor-Hours

The total number of hours worked by employees directly involved in the manufacturing process, used as a basis for assigning labor costs to products.

Machine-Hours

Machine-hours refer to the total time that machinery is operated within a specific period, used as a basis for allocating costs or assessing productivity.