SOLUTION: It has been reported that 63% of adults ages 65 and over got their flu shots last year.In a random sample of 300 adults over 65, find the mean,variance,and standard deviation of th

Algebra ->  Probability-and-statistics -> SOLUTION: It has been reported that 63% of adults ages 65 and over got their flu shots last year.In a random sample of 300 adults over 65, find the mean,variance,and standard deviation of th      Log On


   



Question 862208: It has been reported that 63% of adults ages 65 and over got their flu shots last year.In a random sample of 300 adults over 65, find the mean,variance,and standard deviation of the number who got their flu shots
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
p = .63, n = 300
mean = .63%2A300= 189
Variance = mean%2A%281-p%29+=mean%2A.37+=+69.93+
SD = sqrt%28variance%29 = 8.3624