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

No. successes z-score p-value

3524 0.0457 0.481790
3525 0.0913 0.463617
3545 1.0046 0.157553
3527 0.1826 0.427537
3521 -0.0913 0.536383
3537 0.6393 0.261324
3508 -0.6849 0.753306
3499 -1.0959 0.863437
3515 -0.3653 0.642555
3503 -0.9132 0.819442

Square side=100, avg. no. parked=3520.40 sample std.=13.79

p-value of the KSTEST for those 10 p-values: 0.701524