SOLUTION: study results indicate that the mean time to download a certain program to a personal computer is between 28.7 and 33.5 seconds. what is the study's margin of error? A.7.0 B.4.

Algebra ->  Probability-and-statistics -> SOLUTION: study results indicate that the mean time to download a certain program to a personal computer is between 28.7 and 33.5 seconds. what is the study's margin of error? A.7.0 B.4.      Log On


   

Question 970775: study results indicate that the mean time to download a certain program to a personal computer is between 28.7 and 33.5 seconds. what is the study's margin of error?
A.7.0
B.4.5
C.3.5
D.2.4
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
The range is 33.5 - 28.7 = 4.8

Cut that range in half to get 4.8/2 = 2.4

So the margin of error is 2.4