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

No. successes z-score p-value

3558 1.5982 0.055002
3517 -0.2740 0.607947
3518 -0.2283 0.590298
3505 -0.8219 0.794438
3502 -0.9589 0.831196
3537 0.6393 0.261324
3554 1.4155 0.078457
3553 1.3699 0.085365
3520 -0.1370 0.554479
3523 0.0000 0.500000

Square side=100, avg. no. parked=3528.70 sample std.=19.47

p-value of the KSTEST for those 10 p-values: 0.576013