Multi-Topic Questions (Chapter 33) 954 1988, Specimen paper 6Mark 10 20 30 40 50 60 70 80 90 100
Number of girls scoring this mark or less 1 4 8 16 24 29 32 34 35 3636 girls sat an examination in which the maximum mark was 100. The table above shows the number
of girls who scored a particular mark, or less, in the examination.
a Calculate how many girls scored a mark between 61 and 70 inclusive.
b Using a vertical scale of 2 cm to represent 5 girls and a horizontal scale of 1 cm to represent 10
marks, plot these values on graph paper and draw a smooth curve through your points.
c Showing your method clearly, use your graph to estimate the median mark.
d State, as a fraction in its lowest terms, the probability that a girl chosen at random will have a
mark
i less than or equal to 50 ii greater than 70 :IGCSE01
cyan magenta yellow black(^05255075950525507595)
100 100
(^05255075950525507595)
100 100
Y:\HAESE\IGCSE01\IG01_33\popup\009IGCSE01_33a.CDR Friday, 31 October 2008 3:37:20 PM PETER
(Page included on the Student CD only)