SOLUTION: A. for classes of 138 students , find the mean and standard deviation for the number born on the 4th of july. ignore leap years. b. for a class of 138 students, would two be u

Algebra ->  Probability-and-statistics -> SOLUTION: A. for classes of 138 students , find the mean and standard deviation for the number born on the 4th of july. ignore leap years. b. for a class of 138 students, would two be u      Log On


   

Question 910325: A. for classes of 138 students , find the mean and standard deviation for the number born on the 4th of july. ignore leap years.

b. for a class of 138 students, would two be unusually high number who were born on the 4th of july?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
a. p = 1/365, m = 180%2A%281%2F365%29 = .49 and sd = +sqrt%28180%2A%281%2F365%29%2A%28364%2F365%29%29%29 = .70
b. would two be unusually high number who were born on the 4th of july?
.49 + 2(.70) = 1.89 rounded Up = 2