Area under Normal Density Function
lower value (L)0
upper value (U)1
mean0.271590729106172
standard deviation0.268614935519637
P[X <= L]0.155989480629372
P[X <= U]0.996653273889544
P[L <= X < U]0.840663793260171
1 - P[L <= X < U]0.159336206739829