A Coffee-Dispensing Machine Is Supposed to Deliver 8 Ounces of Liquid

question 23

Multiple Choice

A coffee-dispensing machine is supposed to deliver 8 ounces of liquid into each paper cup,but a consumer believes that the actual mean amount is less.The consumer obtained a sample of 16 cups of the dispensed liquid with sample mean of 7.75 ounces and sample variance of 0.81 ounces. If the dispensed liquid delivered per cup is normally distributed,the appropriate decision at α = 0.05 is

• A) increase the sample size
• B) reduce the sample size
• C) fail to reject the 8-ounces claim
• D) maintain status quo
• E) reject the 8-ounces claim

---

Definitions:

Operant Behavior

Behavior that is controlled by its consequences, including rewards and punishments.

Secondary Conditioning

A phenomenon in classical conditioning where a stimulus that becomes conditioned as a CS is used to condition a new stimulus.

Spontaneous Recovery

A phenomenon in conditioning where a previously extinguished response re-emerges after a period of no exposure to the conditioned stimulus.

Respondent Behavior

A type of behavior that occurs in response to specific stimuli and is conditioned by the environment, as seen in classical conditioning.