China Naming Network - Ziwei knowledge - Probability problem of 9 cars parked in 9 parking spaces
Probability problem of 9 cars parked in 9 parking spaces
103/20 160
This molecule is essentially a dislocation arrangement of seven elements, and the denominator is P9.
So we use the dislocation arrangement formula:
So the probability is1854/362880 =103/20160.