Daily Practice

Higher

7th June 1987

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
2 of 10 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 6 and a maximum of 29. Work out the range.
3
The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Equation of a Line3 marks
A line has gradient -3 and passes through (4, -8). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 4, y = 10. Work out y when x = 5.

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