The number of vehicles arriving at a toll booth, per minute, were observed as
0, 3, 1, 2, 0, 1, 1, 1, 2, 0, 1, 4, 3, 1, 1, 0, 0, 1, 0, 2, 2, 0, 1, 0,0
Perform a chi square test to determine the validity of the poisson distribution at the 1% significance level.