For binomial distribution with mean 20 and Standard deviation 4 , number of trials are
Random Experiment -
If an experiment is performed many times under similar conditions and the outcome of each time is not the same, then this experiment is called a random experiment.
Example : Tossing of a fair coin.
-
we know that mean = nP
and standard deviation =
given that
Option 1)
This option is incorrect
Option 2)
This option is incorrect
Option 3)
This option is correct
Option 4)
This option is incorrect