The Normal Distribution

Easy Medium Hard

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Question 18

The times it takes students to complete a test are normally distributed with a mean of 58 minutes and a standard deviation of 12 minutes.

Find the time by which 90% of students complete the test.

[2]

The Normal Distribution Questions

A Level
Maths
The Normal Distribution

Practise Edexcel A Level Maths The Normal Distribution with exam-style questions for A Level Maths. 439 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.