Foundation
27th March 1990
- 1Exchange Rates2 marks
£1 is worth 1.85 Australian dollars. How many Australian dollars does £240 buy?
- 2Angles1 mark
Two angles sit next to each other on a straight line. One of them is 93°. Work out the other.
- 3Probability (Higher)3 marks
A biased coin lands on heads with probability 0.1. It is thrown 200 times. How many heads would you expect?
- 4Frequency Trees3 marks
210 people were surveyed. 90 were adults, of whom 35 said yes. 30 of the children said yes. How many said yes altogether?
- 5Using a Calculator2 marks
Work out (16 + 4 x 9) / 9, giving your answer to 2 decimal places.
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