Probability of 7/7 Drill and Attack Coinciding
LU Stations: 274
RELATED:
Explosions In London
Probability of one attack by hour (5yr mean): One chance in 9,474,920
Open Hours per Day: 19
Probability of 3 station terror hit (5yr mean):
One chance in 850,602,500,906,920,000,000
Open Days a Year: 364
Mean Sample frequent (yrs) 5 Probability of one attack by hour (10yr mean):
One chance in 18,949,840
Mean Sample frequent (yrs) 10 Probability of 3 station terror hit (10yr mean):
One chance in 6,804,820,007,255,360,000,000
Same Time 3
LU Stations: 274
Probability of drill on 1 stations per hour:
One chance in 817,342
Open Hours per Day: 19
Probability of drill on 3 stations per hour:
One chance in 546,023,643,432,766,000
Open Days a Year: 157
Same Time 3
PROBABILITY OF DRILL AND TERROR ATTACK COINCIDING BY CHANCE (10yr mean):
One chance in 3,715,592,613,265,750,000,000,000,000,000,000,000,000
Estimate of Grains of sand in the whole world:
7,500,000,000,000,000,000