Daily Practice · Higher

Daily Practice - Higher

14th April 1995

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
6 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the ladybird population of a garden. State one assumption the method relies on.
3
The Product Rule for Counting2 marks
A meal deal has 9 mains, 8 sides and 4 drinks. How many different meals are possible?
4
Trigonometric and Exponential Graphs2 marks
The curve y = 3^x is drawn. Work out y when x = 1, and write down where the curve crosses the y-axis.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 4, y = 8. Work out y when x = 5.

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