(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
3516 -0.3196 0.625377
3532 0.4110 0.340551
3520 -0.1370 0.554479
3538 0.6849 0.246694
3536 0.5936 0.276387
3561 1.7352 0.041356
3504 -0.8676 0.807188
3562 1.7808 0.037471
3526 0.1370 0.445521

Square side=100, avg. no. parked=3534.10 sample std.=17.79

p-value of the KSTEST for those 10 p-values: 0.185310