Daily Practice · Higher

Daily Practice - Higher

26th March 1994

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
5 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 minimum 10, lower quartile 15, median 18, upper quartile 28 and maximum 33. Work out the interquartile range.
3
Fractional and Negative Indices2 marks
Write 8^-3 as a fraction.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 5, and write down where the curve crosses the y-axis.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 72. Work out y when x = 9.

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