# MATLAB: Z is a random variable follow the standard normal distribution . i want calculate the probability p(z<-0.5271) and p(z>0.02)

hi

z is a random variable follow the standard normal distribution . i want calculate the probability p(z<-0.5271) and p(z>0.02) ?

P = @(z) erfc(-z/sqrt(2))/2;                  % Equivalent to ‘normcdf’P1 = P(-0.5271)P2 = 1 - P(0.02)P1 =         0.299062073372979P2 =         0.492021686283098