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In a class of 30 students, the marks scored in an examina...

In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

In a class of 30 students, the marks scored in an examination are displayed in the histogram. What percentage of the student scored more than 40%?

A.

14%

B.

40%

C.

4634%

D.

5313%

Correct answer is C

This histogram is transferred into this frequency table
Marks20406080100students97662

Students who scored more than 40 = 6 + 6 + 2 = 14

i.e. 1430 x 100% = 4634%