Daily Practice

Foundation Plus

13th June 1987

5 questions · 14 marks · Grades 4-6 · 128 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.2. It is thrown 250 times. How many heads would you expect?
2
Averages from Frequency Tables3 marks
In a survey 6 households own 1 car, 7 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.
3
Standard Form2 marks
Write 0.00311 in standard form.
4
Changing the Subject of a Formula3 marks
Make x the subject of y = 8x^2 - 6.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 14. Work out y when x = 15.

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