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

No. successes z-score p-value

3518 -0.2283 0.590298
3536 0.5936 0.276387
3525 0.0913 0.463617
3523 0.0000 0.500000
3531 0.3653 0.357445
3543 0.9132 0.180558
3550 1.2329 0.108811
3554 1.4155 0.078457
3523 0.0000 0.500000
3509 -0.6393 0.738676

Square side=100, avg. no. parked=3531.20 sample std.=13.70

p-value of the KSTEST for those 10 p-values: 0.263296