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

No. successes z-score p-value

3485 -1.7352 0.958644
3533 0.4566 0.323972
3492 -1.4155 0.921543
3498 -1.1416 0.873180
3513 -0.4566 0.676028
3533 0.4566 0.323972
3497 -1.1872 0.882429
3455 -3.1050 0.999049
3524 0.0457 0.481790
3529 0.2740 0.392053

Square side=100, avg. no. parked=3505.90 sample std.=23.96

p-value of the KSTEST for those 10 p-values: 0.033734