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

No. successes z-score p-value

3542 0.8676 0.192812
3509 -0.6393 0.738676
3541 0.8219 0.205562
3548 1.1416 0.126820
3492 -1.4155 0.921543
3535 0.5479 0.291865
3549 1.1872 0.117571
3482 -1.8721 0.969407
3494 -1.3242 0.907282
3524 0.0457 0.481790

Square side=100, avg. no. parked=3521.60 sample std.=24.06

p-value of the KSTEST for those 10 p-values: 0.547255