The Waiting Time for Patients at Local Walk-In Health Clinic

question 59

Short Answer

The waiting time for patients at local walk-in health clinic follows a normal distribution with a mean of 15 minutes and a population standard deviation of 5 minutes. The quality-assurance department found in a sample of 50 patients that the mean waiting time was 13.25 minutes. At the 0.025 significance level, decide if the sample data support the claim that the mean waiting time is less than 15 minutes. State your decision in terms of the null hypothesis.

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Definitions:

Anesthetics

Agents that induce insensitivity to pain by blocking nerve conduction.

SAM-e

S-Adenosyl methionine, a naturally occurring compound in the body involved in various biochemical processes, including mood regulation, and sometimes used as a dietary supplement for depression or joint pain.

Unipolar Depression

A mood disorder characterized by persistent sadness and lack of interest in activities, without manic episodes.

Norepinephrine Reuptake Inhibitors

Medications that block the reabsorption of the neurotransmitter norepinephrine, increasing its availability in the brain.