Daily Practice

Higher

16th February 1991

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

1
Conditional Probability3 marks
16 students study Spanish and 10 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 8, lower quartile 14, median 24, upper quartile 27 and maximum 37. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 6 mains, 4 sides and 5 drinks. How many different meals are possible?
4
Quadratic Formula3 marks
Use the quadratic formula to solve 2x^2 + 12x + 2 = 0, to 2 decimal places.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 24. Work out y when x = 5.

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