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# Stats 1 Chapter 5 - Probability

Designed to accompany the Pearson Applied Year 1/AS textbook.

## Mr A Pape

### 22nd Nov 2021 Flag Comment

Please not on slide 9 the description on diagram 3 is incorrect, it should be 'known as the complement of A'

## Ms S Rahman

### 1st Feb 2021 Flag Comment

Hi, Amazing resources and website it has made my life as an Alevel teacher so much easier! THANK YOU. Just wanted to ask is the symbol on slide 6 supposed to be < 9 and not less than or equal to 9??

## Mr M Jackson

### 12th Jun 2019 Flag Comment

Hi - In the chapter overview it says there is no longer any use of set notation. However, spec says 'Set notation to describe events may be used.' Text book doesn't use set notation - very confusing!

## Mr V Van Pelt

### 6th Mar 2019 Flag Comment

Hi I have seen some comments on slide 10 but I don't know if this has been addressed: Is it possible that A and B can be non-overlapping? That is, does the question lack sufficient specificity, or am I missing something? Thanks, Jamie - Vincent

## Dr J Frost

### 22nd May 2018 Flag Comment

Legend.

## Melissa

### 23rd Jan 2018 Flag Comment

Should the denominator on slide 7 be 40 rather than 4? As always, great slides and a massive help!

## Jack Brown

### 12th Jan 2018 Flag Comment

On slide 10 question a your asked to find ð‘ƒ(ð´ ð‘Žð‘›ð‘‘ ð‘›ð‘œð‘¡ ðµ) but you cannot do this. I belive it should say ð‘ƒ(B ð‘Žð‘›ð‘‘ ð‘›ð‘œð‘¡ A) the answer you give is for the ð‘ƒ(B ð‘Žð‘›ð‘‘ ð‘›ð‘œð‘¡ A) but until you look at the answer it is very confusing.

## M S

### 10th Jan 2018 Flag Comment

I find your slides amazing and so helpful to me as a first time teacher of A-Level. I was wondering if you will be making any slides for mechanics?

### 2nd Jan 2018 Flag Comment

Slide 10 Question a) Should be Probability of B and not A?

## Julien Wildman

### 8th Oct 2017 Flag Comment

Great SLides as ever. Thank you 1 typo/cut & paste speed issue Slide 9. Text for bottom left Venn Diagram should be changed to something like The event â€œnot ð´â€ Also called the complement of A P(not A) = 1 â€“ P(A) .

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