Daily Practice
Foundation Plus
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22nd June 1968
- 1Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 200 times. How many heads would you expect?
- 2Averages from Frequency Tables3 marks
In a survey 7 households own 1 car, 5 own 2 cars and 9 own 3 cars. Work out the mean number of cars, to 2 decimal places.
- 3Standard Form2 marks
Write 0.000181 in standard form.
- 4Changing the Subject of a Formula3 marks
Make x the subject of y = 2x^2 - 3.
- 5Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 6, y = 66. Work out y when x = 11.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1968, including the monthly compilation PDF.