Skip to main content

All Questions

Filter by
Sorted by
Tagged with
1 vote
1 answer
195 views

CDF of sum of independent cosines?

Consider the random variable $$X=\frac{1}{d}\sum_{k=1}^d\cos X_k$$ where $X_k$ are each drawn uniformly i.i.d. from $[0,2\pi]$. What is the CDF of X? It seems that a relatively direct way could be to ...
zjs's user avatar
  • 465