9709 · topic questions
The normal distribution
12 past-paper questions on The normal distribution
In a different area in the Arctic, the probability that a week is a white week is 0.8 . Use a suitable approximation to find the…
Practise the full question →Use a suitable approximation to find the probability that Leno scores more than 28 goals but fewer than 35 goals.
Practise the full question →80 competitors who took part in this Saturday's event are selected at random. Use a suitable approximation to find the…
Practise the full question →The heights of the female students at Breven college are normally distributed: • 90% of the female students have heights less…
Practise the full question →The masses of adult kestrels are normally distributed with mean ukg and standard deviation σkg. It is known that 20% of adult…
Practise the full question →The shop also sells red apples. 60% of the red apples sold by the shop weigh more than 80 grams. 160 red apples are chosen at…
Practise the full question →A random sample of 110 residents of Mahjing is chosen. Use a suitable approximation to find the probability that fewer than 22…
Practise the full question →In Millford, 70% of the residents own a bicycle. A random sample of 160 residents is selected. Use a suitable approximation to…
Practise the full question →Find the probability that a randomly chosen adult raccoon of this species has a tail length between 23 cm and 35 cm.
Practise the full question →Kestrels are birds whose adult wingspans are normally distributed with mean 74.8cm and standard deviation 3.2 cm. A random sample…
Practise the full question →How many competitors would you expect to have times within 1.2 minutes of the mean time?
Practise the full question →How many of these trees would you expect to have height less than 18.2 metres?
Practise the full question →
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The normal distribution (9709) past-paper questions — marked instantly
These are real Cambridge Mathematics past-paper questions on The normal distribution. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9709 mark scheme so you see exactly where the marks are won and lost on this topic.
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