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Uploaded by khanacademy on Apr 13, 2011
Basic probability examples (the type seen in the probability 1 module)
Education
LICENSE: Creative Commons (Attribution-Noncommercial-No Derivative Works).
For more information about this license, please read: http://creativecommons.org/licenses/by-nc-nd/3.0/.
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@hbregalad 16/81 not 32/81
inntil 2 days ago in playlist Probability
i'm sorry, but isn't the circumference just rx2?
then r would be 18pi, not just 18... am i right of just making a huge mistake?? :S
Pnavr 4 months ago
@awesomeconomics smaller's area is already 16pi. So =small area/big area=16pi/324pi
umarus2 4 months ago
@hbregalad yeah there's a mistake guys, he forgot to square the 16 for the smaller circle's area!
awesomeconomics 5 months ago
thanks
paulceltics 10 months ago
Yeah on the last one he definitely meant 64pi/324pi which = 32/81.
hbregalad 10 months ago
@hairbrush9 waait, you're in grade 11 right? LOL. what the hell did you get for the last question? nobody got that man =\
YouBeenBaked 10 months ago
@YouBeenBaked ya, the university of waterloo
hairbrush9 10 months ago
@hairbrush9 Did you write Fermat in Canada? :P
@Khanacademyr0cks Good to know. :)
AA10Megaviv 10 months ago
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@hbregalad 16/81 not 32/81
inntil 2 days ago in playlist Probability
i'm sorry, but isn't the circumference just rx2?
then r would be 18pi, not just 18... am i right of just making a huge mistake?? :S
Pnavr 4 months ago
@awesomeconomics smaller's area is already 16pi. So =small area/big area=16pi/324pi
umarus2 4 months ago
@hbregalad yeah there's a mistake guys, he forgot to square the 16 for the smaller circle's area!
awesomeconomics 5 months ago
thanks
paulceltics 10 months ago
Yeah on the last one he definitely meant 64pi/324pi which = 32/81.
hbregalad 10 months ago
@hairbrush9 waait, you're in grade 11 right? LOL. what the hell did you get for the last question? nobody got that man =\
YouBeenBaked 10 months ago
@YouBeenBaked ya, the university of waterloo
hairbrush9 10 months ago
@hairbrush9 Did you write Fermat in Canada? :P
YouBeenBaked 10 months ago
@Khanacademyr0cks Good to know. :)
AA10Megaviv 10 months ago