PYQs Based Test - 18 : Poisson, Normal and Binomial Distribution

The second moment of a Poisson-distributed random variable is 2. The mean of the random variable is _______.

Consider a Poisson distribution for the tossing of a biased coin. The mean for this distribution is μ. The standard deviation for this distribution is given by

The jobs arrive at a facility, for service, in a random manner. The probability distribution of number of arrivals of jobs in a fixed time interval is

The mean and variance, respectively, of a binomial distribution for n independent trials with the probability of success as p, are

The area (in percentage) under standard normal distribution curve of random variable Z within limits from –3 to +3 is ______