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Writing an A Level essay which successfully hits the mark scheme with fluidity and a clear style can sometimes seem to be a daunting task. Where at GCSE level it is adequate to simply demonstrate subj...
X~Binomial (n,p) with n= fixed number of independent trials and p= probability of a trail succeeding.
X ~Binomial can be approximated to Y~ Normal if:
1) The number of trials, n,...
Step 1: Add a cumulative frequency column to the table
Step2: Use the formula n/2 (where n is the final total in the cumulative freq...
"Assessment Objectives" are the guidelines by which an essay can be structured and are useful in that they provide a framework for knowing how an essay may be assessed.
There are fiv...
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