Skip to content

Course home

3.3 The Inverse Normal Distribution Function

3.3 The Inverse Normal Distribution Function

EasyMediumHard
123456789101112
Question 7

The masses of domestic cats of a certain breed are known to follow a normal distribution with a mean of 4.25 kg4.25\text{ kg}4.25 kg and a standard deviation of 0.60 kg0.60\text{ kg}0.60 kg.

A cat of this breed is chosen at random.

a.

Find the probability that the mass of this cat is more than 5.00 kg5.00\text{ kg}5.00 kg.

[3]
b.

A veterinary clinic classifies the heaviest 15%15\%15% of this breed as "large".

Estimate, to 2 decimal places, the minimum mass a cat must have to be classified as "large".

[4]
Markscheme

3.3 The Inverse Normal Distribution Function Questions

  1. A Level
  2. /Maths
  3. /3.3 The Inverse Normal Distribution Function

21 exam-style questions on Edexcel A Level Maths 3.3 The Inverse Normal Distribution Function. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank