Daily Practice · Higher

Daily Practice - Higher

21st April 1997

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

1
Conditional Probability3 marks
10 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Cumulative Frequency2 marks
A cumulative frequency graph is drawn for 80 values. What cumulative frequency do you read across from to estimate the lower quartile?
3
Fractional and Negative Indices2 marks
Write 8^-1 as a fraction.
4
Quadratic Formula3 marks
Use the quadratic formula to solve 3x^2 - 8x - 11 = 0, to 2 decimal places.
5
Repeated Percentage Change3 marks
A price rises by 20% and then falls by 25%. Work out the overall percentage change, to 2 decimal places.

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