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

No. successes z-score p-value

3520 -0.1370 0.554479
3551 1.2785 0.100530
3485 -1.7352 0.958644
3501 -1.0046 0.842447
3509 -0.6393 0.738676
3550 1.2329 0.108811
3506 -0.7763 0.781201
3521 -0.0913 0.536383
3547 1.0959 0.136563
3497 -1.1872 0.882429

Square side=100, avg. no. parked=3518.70 sample std.=22.37

p-value of the KSTEST for those 10 p-values: 0.539025