Compute Probabilities of a Poisson Random Variable

question 48

Short Answer

Compute Probabilities of a Poisson Random Variable
-The number of traffic accidents that occurs on a particular stretch of road during a month follows a Poisson distribution with a mean of 7.2. Find the probability that less than two accidents will occur on this stretch of road during a randomly selected month.

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Definitions:

P < 0.05

Indicates that the probability of the observed data, or more extreme, occurring by chance is less than 5%, commonly used to determine statistical significance in hypothesis testing.

Population Standard Deviation

The square root of the variance in the full population, indicating how much each member of this population deviates from the population mean.

Sample Standard Deviation

A measure of the amount of variation or dispersion of a set of values in a sample from its mean.

Population Average

The mean value of a characteristic within an entire population.