Daily Practice · Higher

Daily Practice - Higher

13th February 1995

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Probability 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.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 188 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Bounds2 marks
A mass is 6.3 kg, correct to 1 decimal place. Write down the lower bound.
4
Factorising Harder Quadratics3 marks
Factorise 12x^2 + 19x + 5.
5
Repeated Percentage Change3 marks
A price rises by 15% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.

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