SOLUTION: One in four adults says he or she has no trouble sleeping at night. You randomly select 5 adults and ask if he or she has no trouble sleeping at night. - Find the mean of the bi

Algebra ->  Probability-and-statistics -> SOLUTION: One in four adults says he or she has no trouble sleeping at night. You randomly select 5 adults and ask if he or she has no trouble sleeping at night. - Find the mean of the bi      Log On


   



Question 855955: One in four adults says he or she has no trouble sleeping at night. You randomly select 5 adults and ask if he or she has no trouble sleeping at night.
- Find the mean of the binomial distribution.
- Find the variance of the binomial distribution.
- Find the standard deviation of the binomial distribution.
- Identify n, p, q.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
p = 1/4, q = 3/4, n = 5
- Find the mean of the binomial distribution.5%281%2F4%29
- Find the variance of the binomial distribution.5%281%2F4%29%283%2F4%29 = 15/16
- Find the standard deviation of the binomial distribution. sqrt%2815%2F16%29+=+sqrt%2815%29%2F4