Exhibit 12-6
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:
-Refer to Exhibit 12-6. The p-value is
A)greater than 0.1
B)between 0.05 and 0.1
C)between .025 and .05
D)between .01 and .025

Question

Exhibit 12-6
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: 
-Refer to Exhibit 12-6. The p-value is
A)greater than 0.1 
B)between 0.05 and 0.1 
C)between .025 and .05 
D)between .01 and .025

Quizplus · Accepted Answer

The p-value is 0.087, which is greater than 0.05.

Exhibit 12-6 The Owner of a Car Wash Wants to See If