Daily Practice

Foundation

8th April 1980

5 questions · 11 marks · Grades 3-4 · 87 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 250 times. How many heads would you expect?
2
Averages from Frequency Tables3 marks
In a survey 2 households own 1 car, 4 own 2 cars and 7 own 3 cars. Work out the mean number of cars, to 2 decimal places.
3
Negative Numbers1 mark
Work out -7 x 11.
4
Substitution2 marks
Work out the value of 9x - 12 when x = 6.
5
Percentages2 marks
Work out 20% of 140.

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