Daily Practice · Higher

Daily Practice - Higher

4th November 1995

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

1
Probability Trees3 marks
1 of 8 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 minimum 1, lower quartile 8, median 16, upper quartile 26 and maximum 32. Work out the interquartile range.
3
Bounds2 marks
A mass is 720 kg, correct to the nearest 10. Write down the lower bound.
4
Equation of a Line3 marks
A line has gradient -2 and passes through (2, 1). Work out its equation.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 5, y = 125. Work out y when x = 7.

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