Daily Practice

Foundation Plus

4th September 1954

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 50 times. How many heads would you expect?
2
Box Plots2 marks
A box plot has minimum 8, lower quartile 17, median 22, upper quartile 26 and maximum 33. Work out the interquartile range.
3
Standard Form2 marks
Write 12000000 in standard form.
4
Drawing Other Graphs: Cubic/Reciprocal2 marks
For the curve y = -25/x, work out y when x = -5, and write down the equation of its vertical asymptote.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 5, y = 50. Work out y when x = 2.

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