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

No. successes z-score p-value

3546 1.0502 0.146807
3504 -0.8676 0.807188
3517 -0.2740 0.607947
3557 1.5525 0.060270
3532 0.4110 0.340551
3525 0.0913 0.463617
3527 0.1826 0.427537
3511 -0.5479 0.708135
3497 -1.1872 0.882429
3572 2.2374 0.012629

Square side=100, avg. no. parked=3528.80 sample std.=22.51

p-value of the KSTEST for those 10 p-values: 0.816011