Difference between revisions of "KGS math club/solution 06 21"
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The particle makes it to x = 0 and y = 0 with equal probability. Of those that make it to x = 0 half will reach y = 0 with x<0 and half with x>0. Therefore the probability of having positive x when y = 0 is 0.75. | The particle makes it to x = 0 and y = 0 with equal probability. Of those that make it to x = 0 half will reach y = 0 with x<0 and half with x>0. Therefore the probability of having positive x when y = 0 is 0.75. | ||
Latest revision as of 07:47, 21 June 2014
Answer : 0.75
Solution:
The particle makes it to x = 0 and y = 0 with equal probability. Of those that make it to x = 0 half will reach y = 0 with x<0 and half with x>0. Therefore the probability of having positive x when y = 0 is 0.75.
