Daily Practice - Higher
Grades 6-7 - Higher-tier method and manipulation.
1st October 2022
- 1Probability Trees3 marks
1 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 2Box Plots2 marks
A box plot has minimum 15, lower quartile 20, median 22, upper quartile 32 and maximum 35. Work out the interquartile range.
- 3The Product Rule for Counting2 marks
A meal deal has 3 mains, 5 sides and 2 drinks. How many different meals are possible?
- 4Trigonometric and Exponential Graphs2 marks
The curve y = 4^x is drawn. Work out y when x = 1, and write down where the curve crosses the y-axis.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 6, y = 180. Work out y when x = 7.
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