On 13 Apr 2004 06:45:52 -0700, [EMAIL PROTECTED] (Chandra Ramanathan) wrote:
> I have a statistics-related question: > > Success rate of a compound reaching the market as a drug: 0.93% > Compound failure rate - not reaching the market: 99.07% > > How may compounds a company should pursue so that with a 95% > confidence interval we can say that a company's compound will > definitely reach the market? Using the unrealistic assumption that the failures are independent -- Multiply 99.07% times itself enough times that the failure rate is less than 5%. > > There are only two outcomes for a compound: Either reaching the > market as a drug or failing in experimental studies and the project > being suspended. -- Rich Ulrich, [EMAIL PROTECTED] http://www.pitt.edu/~wpilib/index.html . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
