Suppose That, on Average, 4 Customers Arrive Each Minute in a Poisson

question 22

Multiple Choice

Suppose that, on average, 4 customers arrive each minute in a Poisson distribution. P(x) is the probability of x arrivals. Which of the following is TRUE?

• A) P(3) = P(4)
• B) P(0) = 0
• C) P(1) = 0.007
• D) P(2) > P(5)
• E) P(0) = P(1)

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Definitions:

Sample Variance

A statistic that measures the dispersion of a sample dataset, representing the average of the squared differences from the sample mean.

Population Variance

Population variance is a measure of the spread between numbers in a data set, representing the average of the squared differences from the population mean.

Random Sample

A selection taken from a group where each individual has the same probability of being chosen.

Hypothesis

A proposed explanation for a phenomenon, designed to be tested through experimentation or observation.