{HEAD ~ The method} 30, wherein {TAIL ~ said probability} is determined by: ##EQU6## where Φ represents a density equation of standard normal distribution 
wherein
{ HEAD ~ The method } 30 , wherein { TAIL ~ said probability } is determined by : # # EQU6 # # where Φ represents a density equation of standard normal distribution
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH