Question 30044
The value of square-root(2/pi) * Integral(e to the power -square(t)/2 ),
where "t" is a variable from 4 to infinity is equal to what?

THIS IS CALLED PROBABILITY INTEGRAL FOR WHICH YOU HAVE TO REFER STANDARD TABLES
THE TABLE IS MADE FOR 
P(T)=(1/SQRT(2PI))*INTEGRAL{0 TO T OF (E^(-T^2/2) DT)}
IT IS THE AREA UNDER THE CURVE.PRACTICALLY,THE ENTIRE CURVE LIES BETWEEN
 T=- 3AND +3...99.73% IN FACT..SO IF YOU WANT AREA BEYOND T=4 IT IS ALMOST ZERO..THE ANSWER IS NEARLY ZERO.