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Mathematics, 23.12.2021 08:50 isabelle1670
The owner of a car wash wants to see if the arrival rate of cars follows a Poisson distribution. In order to test the assumption of a Poisson distribution, a random sample of 150 ten-minute intervals was taken. You are given the following observed frequencies:
Number of Cars Arriving
in a 10-Minute Interval Frequency
0 3
1 10
2 15
3 23
4 30
5 24
6 20
7 13
8 8
9 or more 4
150
At the .05 level of significance, the conclusion of the test is that the:.
a. null hypothesis cannot be rejected.
b. arrival of cars does not follow a Poisson distribution.
c.10-minute intervals follow a Poisson distribution.
d. arrival of cars has no distribution.
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The owner of a car wash wants to see if the arrival rate of cars follows a Poisson distribution. In...
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