Not sure what ii) is as it asks for the distribution of his mean score.
When you have ii) correct, iii) will just be a cumulative distribution for that distribution.
Also, in i) its better to be correct with the desciption, so
E(x^2) = ...
Its not the variance at that point.
When you have ii) correct, iii) will just be a cumulative distribution for that distribution.
Also, in i) its better to be correct with the desciption, so
E(x^2) = ...
Its not the variance at that point.
(edited 6 months ago)
Quick Reply
Related discussions
- Should I take further maths A level?
- HNC Maths Question Hand Drawn Sketch
- Discrete probability disturbution
- Lse Economics and Economic history…help please
- HELPPP A level maths linear interpolation
- Probability distribution
- Predict the 2023 Edexcel Maths grade boundaries and win an Amazon voucher!
- Binomial distribution
- Taking Further Maths A Level In A Gap Year
- Cie as level statistics question , please help
- A Level Maths Checklist
- Standard deviation larger than the mean.
- Is this stats answer wrong?
- A-level maths help!
- Self teaching AS or A-Level FM
- June 2018 Stats
- Edexcel A Level Mathematics Paper 3 (9MA0 03) - 20th June 2023 [Exam Chat]
- Central Limit Theorem: How do you calculate the test statistic?
- Gap year for Oxbridge
- A Level options (+ Economics uni applications) ADVICE URGENTLY NEEDED
Latest
Trending
Last reply 4 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
Trending
Last reply 4 days ago
Did Cambridge maths students find maths and further maths a level very easy?Last reply 2 weeks ago
Edexcel A Level Mathematics Paper 2 unofficial mark scheme correct me if wrongMaths
71
