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The distribution above shows the number of days a group of 260 students were abs...


Question

No. of Days123456
No. of students202x6040x50

The distribution above shows the number of days a group of 260 students were absent from school in a particular term. How many students were absent for t least four days in the term

Options

A) 180

B) 120

C) 110

D) 40

The correct answer is B.

Explanation:

20 + 2x + 60 + 40 + x + 50 = 250
170 + 3x = 260
3x = 260 - 170
3x = 90
x = 90/3 = 30
At least 4 days
4 days = 40
5 days = 30
6 days = 50
Total = 120

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