You are Here: Home >< Maths

# S1 Edexcel Urgent help please... watch

1. That's the final part of a probability distribution Q. I do not know what the question means...
BTW I am aware that F indicates cumulative distribution...but then what?
Attached Images

2. Can you send a pic of then entire question please?
3. (Original post by Darth_Narwhale)
Can you send a pic of then entire question please?
Of course! I think you helped me with a previous part of this Q...
Attached Images

4. Does help?
5. The capital F means you add them up as you go along the row for Ai values So just add 1 to them And The maximum value should be two! For this I think It would be The same as writing 1 + F(E(A))
6. (Original post by Anfanny)
The capital F means you add them up as you go along the row for Ai values So just add 1 to them And The maximum value should be two! For this I think It would be The same as writing 1 + F(E(A))
Err no. is the same as , i.e. it is the probability that is less than or equal to . This cannot be greater than 1.
7. (Original post by old_engineer)
Err no. is the same as , i.e. it is the probability that is less than or equal to . This cannot be greater than 1.
Thanks, friend!

TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

This forum is supported by:
Updated: January 26, 2017
Today on TSR

### Cambridge interviews

Find out who is getting invitations

### University open days

• Heriot-Watt University
School of Textiles and Design Undergraduate
Fri, 16 Nov '18
• University of Roehampton
Sat, 17 Nov '18
• Edge Hill University
Faculty of Health and Social Care Undergraduate
Sat, 17 Nov '18
Poll
Useful resources

### Maths Forum posting guidelines

Not sure where to post? Read the updated guidelines here

### How to use LaTex

Writing equations the easy way

### Study habits of A* students

Top tips from students who have already aced their exams

## Groups associated with this forum:

View associated groups

The Student Room, Get Revising and Marked by Teachers are trading names of The Student Room Group Ltd.

Register Number: 04666380 (England and Wales), VAT No. 806 8067 22 Registered Office: International House, Queens Road, Brighton, BN1 3XE