Suppose That Call-Center Receives on Average 1

question 12

Multiple Choice

Suppose that call-center receives on average 1.7 calls per minute. The graphs below show the probability of receiving calls. Determine the distribution curve with the shaded region that corresponds to the probability of the event that call happens between two and six minutes. Chose the correct graph.

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Definitions:

Critical Value

A point on a statistical distribution that represents a threshold at which the null hypothesis is either rejected or not rejected.

Hypothesis Test

A statistical method that uses sample data to evaluate a hypothesis about the properties of a population.

Commuted

Refers to the action of commuting, which is traveling from one's home to work or school, or it can refer to changing a legal penalty to a less severe one.

Curriculum

A structured set of educational and training materials provided in schools, universities, or workplaces, covering all the subjects or skills to be taught.