Question

The mean and standard deviation of binomial distribution is 10 and 2 respectively the value of p is

Answer 1

Answer:

The mean is np=10 ; the standard deviation is np(1-p)=2.

Therefore, substituting np=10 into the latter gives:

(10)(1-p)=2

1-p=1/5

p=1-1/5=4/5

Hope this helps :)

Step-by-step explanation:

Answer 2

Answer:

see the attachment above