Qualification > Math
statistics
SkyPilotage:
--- Quote from: Fidato on May 03, 2011, 02:10:27 pm ---I think question has faulty values.
Okay, study this :
If you don't understand, then tell me.
--- End quote ---
Ahaha Fidato, Very good point :) but you would be correct if you are sure that tht probability is independant... but its not!!
This means that the prob of winning the first time is DIFFERENT than the probabiity of winning the second game!!!!
Got it? :) P.S: if you aren't convinced try finding the prob of winning exaclty one game it will come up as 0.5 not 0.3...
Life is simple, no need to go all through this ;)
NotAbod:
maybe that dude copied the wrong values
SkyPilotage:
--- Quote from: AboD on May 03, 2011, 02:39:22 pm ---maybe that dude copied the wrong values
--- End quote ---
Everything is possible but it wont matter ;D
Use the values you have...I am pretty sure the probabilities aren't the same in the first and second time :-\
Arthur Bon Zavi:
--- Quote from: SkyPilotage on May 03, 2011, 02:37:37 pm ---Ahaha Fidato, Very good point :) but you would be correct if you are sure that tht probability is independant... but its not!!
This means that the prob of winning the first time is DIFFERENT than the probabiity of winning the second game!!!!
Got it? :) P.S: if you aren't convinced try finding the prob of winning exaclty one game it will come up as 0.5 not 0.3...
Life is simple, no need to go all through this ;)
--- End quote ---
You came to my point. ;)
Arthur Bon Zavi:
--- Quote from: SkyPilotage on May 03, 2011, 02:37:37 pm ---Ahaha Fidato, Very good point :) but you would be correct if you are sure that tht probability is independant... but its not!!
This means that the prob of winning the first time is DIFFERENT than the probabiity of winning the second game!!!!Got it? :) P.S: if you aren't convinced try finding the prob of winning exaclty one game it will come up as 0.5 not 0.3...
Life is simple, no need to go all through this ;)
--- End quote ---
Think on this again. If probabilities of winning the first and second games would be different, then lossing both the games would not be (sq.rt. 0.28).
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