SOLUTION: For classes 0f 268 students, find the mean and standard deviation for the number born on the 4th of july. ignore leap years

Algebra ->  Probability-and-statistics -> SOLUTION: For classes 0f 268 students, find the mean and standard deviation for the number born on the 4th of july. ignore leap years      Log On


   



Question 799246: For classes 0f 268 students, find the mean and standard deviation for the number born on the 4th of july. ignore leap years
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
For classes 0f 268 students, find the mean and standard deviation for the number born on the 4th of july. ignore leap years
------
Binomial with n = 268 and P(born on 7/4) = 1/365
------
mean = np = 268(1/365) = 0.7342
-----
std = sqrt(npq) = sqrt(0.7342*(364/365)) = 0.8557
====================
Cheers,
Stan H.
====================