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

No. successes z-score p-value

3506 -0.7763 0.781201
3498 -1.1416 0.873180
3532 0.4110 0.340551
3499 -1.0959 0.863437
3511 -0.5479 0.708135
3538 0.6849 0.246694
3515 -0.3653 0.642555
3525 0.0913 0.463617
3539 0.7306 0.232514
3526 0.1370 0.445521

Square side=100, avg. no. parked=3518.90 sample std.=14.51

p-value of the KSTEST for those 10 p-values: 0.660060