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

No. successes z-score p-value

3514 -0.4110 0.659449
3517 -0.2740 0.607947
3520 -0.1370 0.554479
3532 0.4110 0.340551
3510 -0.5936 0.723613
3536 0.5936 0.276387
3508 -0.6849 0.753306
3514 -0.4110 0.659449
3490 -1.5068 0.934075
3513 -0.4566 0.676028

Square side=100, avg. no. parked=3515.40 sample std.=12.09

p-value of the KSTEST for those 10 p-values: 0.161845