Find the binomial distribution whose mean is 5 and variance is 2.5.
Mean = np = 5
Variance = npq = 2.5
⇒ q = 
= 
⇒ p = 1 - 
= 
⇒ n = 10
Probability distribution is:-
1
Find the binomial distribution whose mean is 5 and variance is 2.5.
Mean = np = 5
Variance = npq = 2.5
⇒ q = =
⇒ p = 1 - =
⇒ n = 10
Probability distribution is:-