A Local Courier Service Advertises That Its Average Delivery Time

question 55

Multiple Choice

A local courier service advertises that its average delivery time is less than 6 hours for local deliveries. When testing the two hypotheses, H₀: μ ≥ 6 and H_A: μ < 6, μ stand for ________.

• A) the mean delivery time
• B) the standard deviation of the delivery time
• C) the number of deliveries that took less than 6 hours
• D) the proportion of deliveries that took less than 6 hours

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Definitions:

Operant Behavior

Behavior that is controlled by its consequences, including rewards and punishments, in the context of learning.

Complaining

The expression of dissatisfaction or annoyance about something.

Blinking

A rapid closing and opening of the eyelid, which is an involuntary reflex to protect the eye from irritants and distribute tear fluid.

Respondent Behavior

Actions that occur as an automatic response to some stimulus, typically conditioned through learning processes.