Bunuel wrote:
Which of the following statements can be inferred from the table?
I. The average number of hours worked per worker is less than 40.
II. At least 3 workers worked more than 48 hours.
III. More than half of all the workers worked more than 40 hours.
(A) I only
(B) II only
(C) I and II only
(D) I and III only
(E) I, II, and III
[Reveal] Spoiler:
Attachment:
2017-11-03_1003.png
I) 3100/80 <40..can be inferred
II) 3100 - (4*29 + 16*34 + 25*39 + 15*44) = 3100 - (116 + 544 + 975 + 660) = 805
805/20 = ~40..cannot be inferred
III) 45 labors worked for <40 hrs...inferred to be wrong
A