Daily Practice

Higher

21st January 1988

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

1
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Histograms2 marks
A histogram class is 4 units wide and contains 12 values. Work out the frequency density.
3
The Product Rule for Counting2 marks
A meal deal has 4 mains, 8 sides and 6 drinks. How many different meals are possible?
4
Trigonometric and Exponential Graphs2 marks
The curve y = 6^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
5
Repeated Percentage Change3 marks
A town's population is 27500 and grows by 3% each year. Work out the population after 3 years, to the nearest whole number.

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