Daily Practice

Higher

30th August 1987

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

1
Probability Trees3 marks
3 of 7 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 11 and a maximum of 33. Work out the range.
3
Fractional and Negative Indices3 marks
Work out 49^(3/2).
4
Trigonometric and Exponential Graphs2 marks
The curve y = 3^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 9, y = 6. Work out y when x = 6.

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