Poisson Distributions
Not what you're looking for?
Assume the accidents occur at random according to a Poisson process a rate of one every two days.
a) What is the probability that exactly two accidents will occur in a particular two-day interval?
b) What is the probability that one will have to wait at least two days to observe the next two accidents?
---
I do not understand your answer in part b)
Why we need to the probability when x=0 or x=1?
If it says wait at least two days, is equal to X>2?
In this case can I use the exponential distribution?
I am confused how can I find the right landa (which indicates the average number of events in the given time interval.
---
Purchase this Solution
Solution Summary
This Solution contains over 100 words and calculations to aid you in understanding the Solution to these questions.
Solution Preview
Part (b) asks: What is the probability that one will have to wait at least two days to observe the next two accidents?
Since it is asking for the probability to wait when the next two accidents occur, ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.