Daily Practice

Higher

26th February 1972

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

1
Probability Trees3 marks
2 of 5 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 13, lower quartile 15, median 17, upper quartile 19 and maximum 27. Work out the interquartile range.
3
The Product Rule for Counting2 marks
A meal deal has 7 mains, 4 sides and 4 drinks. How many different meals are possible?
4
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 2, 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 = 5, y = 225. Work out y when x = 7.

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