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anonymous
 4 years ago
If an apple is hanging from a string and three flies land on it, find the probability that all three are on points that are within the same hemisphere.
I am lost on how to figure this out.
anonymous
 4 years ago
If an apple is hanging from a string and three flies land on it, find the probability that all three are on points that are within the same hemisphere. I am lost on how to figure this out.

This Question is Closed

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0chance of first one landing on a specific hemisphere = 1/2 same foe second and third each of these probabilities are independent so the probabililies are multiplied P(3 on same hemi) = 1/2 * 1/2 * 1/2 = 1/8

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The answer is .25 but not sure how to figure this. the answer you gave is .125

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0its a long time since i looked at probability theory so i could be wrong  i'll have to recheck

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0ok  the answer is 0.25 because you dont include the first fly to land is not included the calculation. if the question referred to the 'left' or 'right' hemisphere then it would be 1/8  the first fly to land can go to any hemisphere  it does not choose any specific one  but the second and third do. so its 1/2 * 1/2 = 0.25
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