In an office, the distribution of work hours is as shown in the following table Consider the following inferences dr

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Q 2472834736.     In an office, the distribution of work hours is as shown
in the following table

Consider the following inferences drawn from the
table:
1. The average number of hours worked by a staff
member is about 30
2. The percentage of those who worked 3.5 or more
hours is less than 25
3. At least 5 staff members worked more than 44
hours
Which of these inferences is/are valid?
IAS 1999 Prelims
A

1 alone

B

2 alone

C

1 and 2

D

1, 2 and 3

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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