You commands are correct and the interpretation is that the probability that a normal random variable with mean 1454.190 and standard deviation 162.6301 achieves a value of 417 or less is 8.99413e-11
--- On Wed, 27/8/08, rr400 <[EMAIL PROTECTED]> wrote: > From: rr400 <[EMAIL PROTECTED]> > Subject: [R] Finding a probability > To: r-help@r-project.org > Received: Wednesday, 27 August, 2008, 11:50 AM > Hi, i am trying to determine a certain probability and i am > unsure if the > commands i have entered into R are correct. > I am trying to determine how unusual it would be to find > something with the > value 417 for a set of numbers with mean 1454.190 and > standard deviation > 162.6301. The command i entered was: > >pnorm (417, 1454.190, 162.6301) > Which returned: > [1] 8.99413e-11 > I am unsure how to interpret this number as it is, and > hence whether i have > entered the appropriate commands for what i am trying to > find out. If the > commands are correct, how can i simplify the answer to > understand the > probability? > > Thanks in advance, R. > > > -- > View this message in context: > http://www.nabble.com/Finding-a-probability-tp19173491p19173491.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, > reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
