Exam (elaborations)
Edexcel Maths A Level 2024 Statistics Paper 31 - 9MA0-31
- Module
- 2024
- Institution
- PEARSON (PEARSON)
Edexcel Maths A Level 2024 Statistics Paper 31 - 9MA0-31
[Show more]
Content preview
EDEXCEL A LEVEL / AS LEVELMATHS PAPERS
2024
,
, email us at: tyrionlay@gmail.com if
1. Xian rolls a fair die 10 times. you have any issues or queries
The random variable X represents the number of times the die lands on a six.
DO NOT WRITE IN THIS AREA
(a) Using a suitable distribution for X, find
(i) P(X = 3)
(ii) P(X < 3)
(3)
Xian repeats this experiment each day for 60 days and records the number of days
when X = 3
(b) Find the probability that there were at least 12 days when X = 3
(3)
(c) Find an estimate for the total number of sixes that Xian will roll during these 60 days.
(1)
(d) Use a normal approximation to estimate the probability that Xian rolls a total of
more than 95 sixes during these 60 days.
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
(4)
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
2
*P74093A0220*
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Revisionbae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £5.17. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now