Instead of recording the number 1.23cm of the radius of a tube, a student recorded 1.32cm. Find the percentage of error, correct to one decimal place.
-
A.
6.8% -
B.
7.3% -
C.
9.6% -
D.
14.4% -
E.
15.4%
Correct Answer: Option B
Explanation
% error =
errorexact
x
1001
=
0.091.23
x
1001
= 7.3%