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

No. successes z-score p-value

3548 1.1416 0.126820
3505 -0.8219 0.794438
3532 0.4110 0.340551
3507 -0.7306 0.767486
3528 0.2283 0.409702
3529 0.2740 0.392053
3512 -0.5023 0.692266
3510 -0.5936 0.723613
3485 -1.7352 0.958644
3519 -0.1826 0.572463

Square side=100, avg. no. parked=3517.50 sample std.=16.72

p-value of the KSTEST for those 10 p-values: 0.617005