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

No. successes z-score p-value

3498 -1.1416 0.873180
3540 0.7763 0.218799
3529 0.2740 0.392053
3551 1.2785 0.100530
3570 2.1461 0.015932
3545 1.0046 0.157553
3493 -1.3699 0.914635
3519 -0.1826 0.572463
3530 0.3196 0.374623
3553 1.3699 0.085365

Square side=100, avg. no. parked=3532.80 sample std.=23.09

p-value of the KSTEST for those 10 p-values: 0.204114