Consider a random walk model: the random walk starts at 0, and each X_i has the same distribution such that P[X_i =1] = P[X_i = -1]= 1/2. Let S_N = X_1 + X_2+ ... + X_N Compute P[S_N=0], namely the pr
Consider a random walk model: the random walk starts at 0, and each X_i has the same distribution such that P[X_i =1] = P[X_i = -1]= 1/2. Let S_N = X_1 + X_2+ ... + X_N Compute P[S_N=0], namely the pr
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Consider a random walk model: the random walk starts at 0, and each X_i has the same distribution such that P[X_i =1] = P[X_i = -1]= 1/2. Let S_N = X_1 + X_2+ ... + X_N
Compute P[S_N=0], namely the probability of returning to 0 at time N.
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