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April 20, 2014

Homework Help: algebra

Posted by Fatima on Wednesday, August 22, 2012 at 3:01pm.

Please help me anybody
Abby Garland is parked at a mile marker on an east -west country road.She decides to toss a fair coin 10 times ,each time driving 1 mile east if it lands heads up and 1 mile west if it lands up tails up. The term random walk applies to this process even though Abby drives rather than walks. it is a simplifiedmodel ofBrownian motion.Find the probability that Abby's walk will end as described.
A 10 miles east of start.( answer 1/1024)
B 6 miles east of start
C.6 miles west of start (answer 45/1024)
D.5 miles west of the start
E 2 miles east of start(answr210/1024)
F.at least 2 miles east of the start
G.at least 2 miles from the start (772/10240)
H. Exactly at the start
Please give me a detail explanation of how to start the problem.

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