Asked by Michelle Stobaugh on May 06, 2024
Verified
The number of traffic accidents per day on a certain section of highway is thought to be Poisson distributed with a mean equal 2.19. Then the standard deviation of number of accidents is:
A) 2.19
B) approximately 4.80
C) approximately 1.48
D) 3.14
E) (2.19) 2
Traffic Accidents
Unforeseen and unplanned events on the roadways that involve vehicles causing damage, injury, or death.
Poisson Distributed
A probability distribution that measures the probability of a given number of events happening in a fixed interval of time or space.
Standard Deviation
The statistic that quantifies the spread of a dataset or distribution, showing how extensively the data points diverge from the average value.
- Formulate the probabilities and determinants (mean, variance) related to events following the Poisson distribution.
- Understand the relationship between mean and variance in Poisson distribution.
Verified Answer
Learning Objectives
- Formulate the probabilities and determinants (mean, variance) related to events following the Poisson distribution.
- Understand the relationship between mean and variance in Poisson distribution.
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