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

No. successes z-score p-value

3481 -1.9178 0.972432
3527 0.1826 0.427537
3567 2.0091 0.022262
3504 -0.8676 0.807188
3500 -1.0502 0.853193
3536 0.5936 0.276387
3571 2.1918 0.014198
3564 1.8721 0.030593
3524 0.0457 0.481790
3493 -1.3699 0.914635

Square side=100, avg. no. parked=3526.70 sample std.=30.86

p-value of the KSTEST for those 10 p-values: 0.189612