Probability - Tree Diagrams 1
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Uploader Comments (rfbarrow)
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now why does youtube make more sense than my teacher :)
1 year ago 25
All Comments (96)
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THANK YOU
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I have a test tommorow and u basically just saved my ass !!!!!!!!!!!
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sounds like the guy from Khanacademy, just with an accent!
thx btw...very helpful
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@NelaBabesOx Higher chance to be a better teacher on youtube than in your school?
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aweeesome thank you, you saved my life !!!! 11/10
2 months ago 2
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Love it! The speaker reminds me of the depressed robot off the movie"Hitch Hiker's guide to the galaxy"..lol
3 months ago 2
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awesome, thanks
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@TheDroidSector101 Never mind :p I just read the question again, she replaces it
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The first pick is replaced. There are the same balls in the bag for the second draw. If you don't replace then you have the situation that I describe in the second video Probability - Tree Diagrams 2. Take a look.
rfbarrow 3 months ago
My maths gcse is on monday and ive learned more off youtube than i have in the past 2 years of being at my school
xxfaith0chickxx 8 months ago 30
@xxfaith0chickxx I'm pleased to hear it. There are more videos at Waldomaths, my website. Best of luck on Monday.
rfbarrow 8 months ago 4
i cant learn in school and from a text book but these youtube videos seriously help me out
l3aIIin23 8 months ago
@l3aIIin23 Glad to hear it. There are more videos on my website waldomaths.
rfbarrow 8 months ago
i do not understand why my teacher done on the 1st pick like 7/9 and 2/9 ad then on the second pick he changed the denominator to 5/8 and 3/8 maybe one had to be chucked out i dunno
Cyclops4770 1 year ago
@Cyclops4770
Hi take a look ot Probability - Tree diagrams 2. The first video is about putting the sweets back each tim. The second is about not replacing. That's what makes the difference.
rfbarrow 1 year ago