(Of 12000 tries, the average no. of successes should be 3523.0 with sigma=21.9)

No. successes z-score p-value

3527 0.1826 0.427537
3531 0.3653 0.357445
3525 0.0913 0.463617
3556 1.5068 0.065925
3549 1.1872 0.117571
3509 -0.6393 0.738676
3556 1.5068 0.065925
3531 0.3653 0.357445
3527 0.1826 0.427537
3545 1.0046 0.157553

Square side=100, avg. no. parked=3535.60 sample std.=14.53

p-value of the KSTEST for those 10 p-values: 0.063081