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

No. successes z-score p-value

3539 0.7306 0.232514
3484 -1.7808 0.962529
3493 -1.3699 0.914635
3499 -1.0959 0.863437
3518 -0.2283 0.590298
3549 1.1872 0.117571
3528 0.2283 0.409702
3519 -0.1826 0.572463
3530 0.3196 0.374623
3536 0.5936 0.276387

Square side=100, avg. no. parked=3519.50 sample std.=20.22

p-value of the KSTEST for those 10 p-values: 0.902899