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MATHEMATICS

JAMB 2016 - Question 19

Mathematics 2016 JAMB Past Questions - Question 19: Marks 2 3 4 Frequency 4 4 y The table above shows the frequency distribution of marks obtained by a group of students .If the total mark is 48,find the value of y.

Choose the most appropriate option for the gap .

Marks 2 3 4 Frequency 4 4 y The table above shows the frequency distribution of marks obtained by a group of students .If the total mark is 48,find the value of y.

A: 6

B: 8

C: 7

D: 5

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Correct Answer

Explanation

Efx = 20 +4y = 484y = 48-20 = 28therefore y = 28 /4= 7