ISRO Scientist or Engineer Computer Science 2009
For the following questions answer them individually
Let f(x) be the continuous probability density function of a random variable x. The probability that $$ a < x \leq b,$$ is
If the mean of a normal frequency distribution of 1000 items is 25 and its standard deviation is 2.5, then its maximum ordinate is
If the pdf of a Poisson distribution is given by $$ f(x) = \frac {e^{-2} 2^x}{x!} $$, then its mean is
Activities which ensure that the software that has been built, is traceable to customer requirement is covered as part of
A Testing method, which is normally used as the acceptance test for a software system, is
The ‘command’ used to change contents of one database using the contents of another databaseby linking them on a common keyfield is called
