Transport engineers are interested to study the pattern and the risk of accidents at a junction. Suppose we observe the following frequency distribution of the number of accidents in 150 weeks. Number of Accidents 0 1 2 3 4 5 6 7+ Observed frequency 50 30 24 30 10 5 10 Perform a goodness of fit test at the 5% significance level of the null hypothesis that the observed number of accidents follow a Poisson distribution. What is the p-value of your test

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Transport engineers are interested to study the pattern
and the risk of accidents at a junction. Suppose we observe the following frequency
distribution of the number of accidents in 150 weeks.
Number of Accidents 0
Observed frequency
1
3
4 5 6 7+
50 30 24 30 10 5 1 0
Perform a goodness of fit test at the 5% significance level of the null hypothesis
that the observed number of accidents follow a Poisson distribution.
What is the p-value of your test
Transcribed Image Text:Transport engineers are interested to study the pattern and the risk of accidents at a junction. Suppose we observe the following frequency distribution of the number of accidents in 150 weeks. Number of Accidents 0 Observed frequency 1 3 4 5 6 7+ 50 30 24 30 10 5 1 0 Perform a goodness of fit test at the 5% significance level of the null hypothesis that the observed number of accidents follow a Poisson distribution. What is the p-value of your test
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