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Conditional Probability Example : ExamSolutions

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Uploaded by on Apr 21, 2009

In this tutorial you are given a question on conditional probability. Shown how to set such problems out and the likely errors and confusion that can arise from poorly drawn probability tree diagrams. This is the final video in our tutorials on probability. For this and other maths past papers, tutorials goto ExamSolutions at http://www.examsolutions.co.uk/A-Level-maths-tutorials/Edexcel/S1/probability... If you want more videos like this please click on our maths aid link below the video on our website.

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Uploader Comments (ExamSolutions)

  • THANK YOU SOOOOOOOOO MUCH! i did the first one myself and it went correct, did the first one based on all the things I learnt from your other videos! As I said before in an another vid, your a math's god!!

  • @franciscojurado0 well done

  • thank you so much. The video is very helpful!

  • @daphniek1 Cheers

  • Thankyou so much for this video! I've started on past exam questions revision and for the whole conditional probability I never quite understood when my teacher explained... but after watching this I feel much more confident and actually understand, esp the P(A/L) not P(L) part. Thankyou once again, this is going to make a huge difference in my end of year exam mark :)

  • @SparkyChelada Thanks for your comment. Pleased to know you are grasping this tricky topic. It's all in the notation as you said.

Top Comments

  • Thank you for mentioning that the P(L) is wrong ... My teachers never mentioned it !

    

  • Thankyou so much mate, my stats teacher goes to mymaths.com and just reads out of the notes :/ its awful. With your help I think I can clock an A; thanks again!! On a side note, Susan goes from going to work to going to school haha :P.

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All Comments (44)

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  • Sorry I meant Fantastic :)

  • Fanatic!! I really appreciate ur effort to help us :)

  • I'm still sitting here crying from joy though.....

  • thank goooooood *cries* you made shit so easyyyyyyyyyyyyyyyyyyyyyyyyyyy­yyyyyyyy !!!!!!!!! AHHH IM SMILING :D

  • thanks!

  • you are my life saver :D

  • awesome video man, basically we are going to be having a test on conditional probability, but the our school hasn't provided us with text books with questions so that we can revise.... would you mind sending me some question? But once again thanks for the video it really helped me out :-)

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