Daily Practice

Foundation

14th February 1989

5 questions · 12 marks · Grades 3-4 · 87 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.4. It is thrown 250 times. How many heads would you expect?
2
Averages from Frequency Tables3 marks
In a survey 3 households own 1 car, 9 own 2 cars and 4 own 3 cars. Work out the mean number of cars, to 2 decimal places.
3
Estimating2 marks
Estimate 154 x 45 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 5x - 4 when x = -3.
5
Scale Drawings2 marks
A map has a scale of 1 : 10000. Two villages are 12.5 cm apart on the map. How far apart are they in real life, in km?

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