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2.4 N: Statistical distributions

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Question 66

The random variable Y Y\,Y is Normally distributed with standard deviation 2.8, and P(Y<26)=0.3P(Y < 26) = 0.3P(Y<26)=0.3.

Find the mean of YYY. Give your answer to 3 significant figures.

[4]
Markscheme

2.4 N: Statistical distributions Questions

  1. A Level
  2. /Maths
  3. /2.4 N: Statistical distributions

390 exam-style questions on AQA A Level Maths 2.4 N: Statistical distributions, covering 2.4.1 Discrete distributions and the binomial, 2.4.2 The Normal distribution (A-level only), and 2.4.3 Selecting an appropriate distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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