Hi Jumlong, Is this what you want?
> pnorm(q = c(2.4, 2.9), mean = 2, sd = 1) [1] 0.6554217 0.8159399 HTH, Josh On Fri, Nov 5, 2010 at 9:57 PM, Jumlong Vongprasert <[email protected]> wrote: > Dear Joshua Wiley > 2.4 and 2.9 are score, and mean = 2 variance = 1 n = 10 with normal > distribution. > Many Thanks. > Jumlong > > 2010/11/6 Joshua Wiley <[email protected]> >> >> Dear Jumlong, >> >> Perhaps look at ?pnorm >> >> I am not really certain what you want to do. Are 2.4 and 2.9 scores >> or means? Is the variance 2? What distribution are you assuming >> these values come from? If you explain a bit more what you are after, >> we can help more. >> >> Cheers, >> >> Josh >> >> On Fri, Nov 5, 2010 at 9:47 PM, Jumlong Vongprasert >> <[email protected]> wrote: >> > Dear All >> > I have 2 value assume 2.4 and 2.9 and mean = 2 variance = with n = 10 >> > I want to find probability = 2.4 and 2.9. >> > How I can do this. >> > Many Thanks. >> > Jumlong >> > >> > -- >> > Jumlong Vongprasert Assist, Prof. >> > Institute of Research and Development >> > Ubon Ratchathani Rajabhat University >> > Ubon Ratchathani >> > THAILAND >> > 34000 >> > >> > [[alternative HTML version deleted]] >> > >> > ______________________________________________ >> > [email protected] 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. >> > >> >> >> >> -- >> Joshua Wiley >> Ph.D. Student, Health Psychology >> University of California, Los Angeles >> http://www.joshuawiley.com/ > > > > -- > Jumlong Vongprasert Assist, Prof. > Institute of Research and Development > Ubon Ratchathani Rajabhat University > Ubon Ratchathani > THAILAND > 34000 > -- Joshua Wiley Ph.D. Student, Health Psychology University of California, Los Angeles http://www.joshuawiley.com/ ______________________________________________ [email protected] 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.

