No. defective per box
4
5
6
7
8
9
No. of boxes
2
7
17
10
8
6
Find the percentage of boxes containing at least 5 defective bolts each
A
96
B
94
C
92
D
90
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
% of boxes containing at least 5 defective bolts each
= \(\frac{7 + 17 + 10 + 8 + 6}{50}\)
= \(\frac{48}{50}\) x \(\frac{100}{1}\)
= 96%
Source: Myschool Past Questions Archive (Record #31427)