Question

The mean and variance of a binomial distribution are 4 and 4

3

⁄ respectively. Then, find ( ≥ 5).​

Answer 1

Answer:

x²+4y-4 is the binomial distribution

hope this may help u

Answer 2

Answer:

Fact: In binomial distribution , mean =np and variance =npq

Here given np=4 and npq=3

So q=

4

3

⇒p=1−p=

4

1

Thus n=16

Hence P(X≥1)=1−P(X=0)=1−

16

C

0

p

0

q

16

=1−(

4

3

)