Question: how does pnorm work in r?
Answer: pnorm is the R function that calculates the c. d. f. ... Both of the R commands in the box below do exactly the same thing. pnorm(27.4, mean=50, sd=20) pnorm(27.4, 50, 20) They look up P(X < 27.4) when X is normal with mean 50 and standard deviation 20.