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

No. successes z-score p-value

3502 -0.9589 0.831196
3504 -0.8676 0.807188
3510 -0.5936 0.723613
3539 0.7306 0.232514
3503 -0.9132 0.819442
3575 2.3744 0.008788
3527 0.1826 0.427537
3526 0.1370 0.445521
3510 -0.5936 0.723613
3532 0.4110 0.340551

Square side=100, avg. no. parked=3522.80 sample std.=21.46

p-value of the KSTEST for those 10 p-values: 0.651139