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

No. successes z-score p-value

3532 0.4110 0.340551
3500 -1.0502 0.853193
3510 -0.5936 0.723613
3509 -0.6393 0.738676
3516 -0.3196 0.625377
3504 -0.8676 0.807188
3498 -1.1416 0.873180
3537 0.6393 0.261324
3545 1.0046 0.157553
3504 -0.8676 0.807188

Square side=100, avg. no. parked=3515.50 sample std.=15.77

p-value of the KSTEST for those 10 p-values: 0.223514