Daily Practice · Higher

Daily Practice - Higher

20th January 1995

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
4 of 10 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 beetle population of a woodland. State one assumption the method relies on.
3
Recurring Decimals to Fractions3 marks
Write the recurring decimal 0.444... as a fraction in its simplest form.
4
Equation of a Line3 marks
A line has gradient -2 and passes through (1, -6). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 70. Work out y when x = 10.

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