In the Past, the Average Waiting Time Per Customer at a Fast

question 164

Multiple Choice

In the past, the average waiting time per customer at a fast food restaurant has been 7.5 minutes. The customer waiting time has a normal distribution. The manager claims that the use of a new cashier system will decrease the average customer waiting time in the store. A random sample of 16 customer transactions produces a mean waiting time of 6.3 minutes and a standard deviation of 2 minutes.
-Give a range for the p-value for this test.

• A)0.01 < p-value < 0.025
• B)0.001 < p-value < 0.005
• C)0.005 < p-value < 0.01
• D)0.05 < p-value < 0.10
• E)0.025 < p-value < 0.05

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Definitions:

Positive Correlation

A relationship between two variables where they both move in the same direction.

Schizophrenia Diagnosis

The process of identifying schizophrenia in individuals, which involves evaluating symptoms like hallucinations, delusions, disorganized speech, and impairments in social or occupational functioning.

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Research methods that track the inheritance of traits over generations within families, often used to study the genetic basis of diseases and disorders.

Diagnosis Of Schizophrenia

The process of identifying schizophrenia, a serious mental disorder characterized by distortions in thinking, perception, emotions, language, sense of self, and behavior.