Daily Practice · Higher

Daily Practice - Higher

Grades 6-7 - Higher-tier method and manipulation.

31st March 2001

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
22 students study Spanish and 11 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Box Plots2 marks
A box plot has minimum 11, lower quartile 17, median 20, upper quartile 28 and maximum 38. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 5 mains, 5 sides and 3 drinks. How many different meals are possible?
4
Quadratic Formula3 marks
Work out the discriminant of 2x^2 - 5x + 9 = 0 and say how many real solutions it has.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 180. Work out y when x = 5.

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