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

No. successes z-score p-value

3570 2.1461 0.015932
3519 -0.1826 0.572463
3488 -1.5982 0.944998
3502 -0.9589 0.831196
3557 1.5525 0.060270
3540 0.7763 0.218799
3485 -1.7352 0.958644
3528 0.2283 0.409702
3518 -0.2283 0.590298
3506 -0.7763 0.781201

Square side=100, avg. no. parked=3521.30 sample std.=26.63

p-value of the KSTEST for those 10 p-values: 0.677537