Daily Practice

Higher

22nd November 1987

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

1
Probability Trees3 marks
3 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Box Plots2 marks
A box plot has a minimum of 4 and a maximum of 52. Work out the range.
3
Bounds2 marks
A mass is 59 kg, correct to the nearest whole number. Write down the lower bound.
4
Factorising Harder Quadratics3 marks
Factorise 8x^2 + 22x + 5.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 20. Work out y when x = 5.

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