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

No. successes z-score p-value

3529 0.2740 0.392053
3521 -0.0913 0.536383
3537 0.6393 0.261324
3536 0.5936 0.276387
3538 0.6849 0.246694
3516 -0.3196 0.625377
3509 -0.6393 0.738676
3560 1.6895 0.045562
3555 1.4612 0.071982
3536 0.5936 0.276387

Square side=100, avg. no. parked=3533.70 sample std.=15.14

p-value of the KSTEST for those 10 p-values: 0.139128