Daily Practice · Higher
Daily Practice - Higher
- 1Probability Trees3 marks
6 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 19, median 23, upper quartile 27 and maximum 35. Work out the interquartile range.
- 3The Product Rule for Counting3 marks
A code is 2 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
- 4Factorising Harder Quadratics3 marks
Factorise 4x^2 + 12x + 5.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 6.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of May 1995, including the monthly compilation PDF.