A Truck Company Wants On-Time Delivery for at Least 98

question 58

Multiple Choice

A truck company wants on-time delivery for at least 98% of the parts they order from a metal manufacturing plant. They have been ordering from Hudson Manufacturing but will switch to a new, cheaper manufacturer (Steel-R-Us) unless there is evidence that this new manufacturer cannot meet the 98% on-time goal. As a test the truck company purchases a random sample of metal parts from Steel-R-Us, and then determines if these parts were delivered on-time. Which hypotheses should they test?

• A) H0: p < 0.98 HA: p > 0.98
• B) H0: p > 0.98 HA: p = 0.98
• C) H0: p = 0.98 HA: p < 0.98
• D) H0: p < 0.98 HA: p ≠ 0.98
• E) H0: p = 0.98 HA: p > 0.98

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Definitions:

Southern Manifesto

A document written in 1956 by legislators in the United States opposing the desegregation of schools, representing a collective declaration of opposition to racial integration in public places.

Brown V. Board

A landmark United States Supreme Court case in 1954 that declared state laws establishing separate public schools for black and white students to be unconstitutional.

Race Relations

The interactions, conflicts, and dynamics between different racial groups within a society, often studied in the context of social, economic, and political power disparities.

Standard Consumer Package

A specific packaging of a product designed for retail sale to consumers, often standardized in size, labeling, and appearance.