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

No. successes z-score p-value

3531 0.3653 0.357445
3535 0.5479 0.291865
3534 0.5023 0.307734
3508 -0.6849 0.753306
3502 -0.9589 0.831196
3533 0.4566 0.323972
3512 -0.5023 0.692266
3544 0.9589 0.168804
3557 1.5525 0.060270
3538 0.6849 0.246694

Square side=100, avg. no. parked=3529.40 sample std.=16.21

p-value of the KSTEST for those 10 p-values: 0.379752