Mathematics > QUESTION PAPER & MARK SCHEME > pearson edexcel gce question booklet and mark scheme results November 2021 further mathematics advan (All)
pearson edexcel gce question booklet and mark scheme results November 2021 further mathematics advanced level in further mathematics paperv-9fm0-3b
Document Content and Description Below
pearson-edexcel-gce-question-booklet-mark-scheme-results-november-2021-further-mathematics-advanced-level-in-further-mathematics-paper-9fm0-3b Kelly throws a tetrahedral die n times and records the n ... umber on which it lands for each throw. She calculates the expected frequency for each number to be 43 if the die was unbiased. The table below shows three of the frequencies Kelly records but the fourth one is missing. Number 1 2 3 4 Frequency 47 34 36 x (a) Show that x = 55 (1) Kelly wishes to test, at the 5% level of significance, whether or not there is evidence that the tetrahedral die is unbiased. (b) Explain why there are 3 degrees of freedom for this test. (1) (c) Stating your hypotheses clearly and the critical value used, carry out the test. (5) _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ [Show More]
Last updated: 3 years ago
Preview 1 out of 38 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$11.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
May 20, 2022
Number of pages
38
Written in
All
Additional information
This document has been written for:
Uploaded
May 20, 2022
Downloads
0
Views
169
.png)
.png)
