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

No. successes z-score p-value

3540 0.7763 0.218799
3542 0.8676 0.192812
3509 -0.6393 0.738676
3497 -1.1872 0.882429
3496 -1.2329 0.891189
3485 -1.7352 0.958644
3522 -0.0457 0.518210
3530 0.3196 0.374623
3524 0.0457 0.481790
3528 0.2283 0.409702

Square side=100, avg. no. parked=3517.30 sample std.=18.56

p-value of the KSTEST for those 10 p-values: 0.682583