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

No. successes z-score p-value

3534 0.5023 0.307734
3484 -1.7808 0.962529
3548 1.1416 0.126820
3503 -0.9132 0.819442
3513 -0.4566 0.676028
3548 1.1416 0.126820
3483 -1.8265 0.966111
3517 -0.2740 0.607947
3527 0.1826 0.427537
3535 0.5479 0.291865

Square side=100, avg. no. parked=3519.20 sample std.=22.46

p-value of the KSTEST for those 10 p-values: 0.822741