## Finding the probability distribution December 1

Let X and Y are independent random variables that follow geometric distribution. Then distribution of X given that X+Y=k is:a) Binomial b) Poisson c) Uniform d) None of these

## Computing length of a string around a rod December 1    2

A string is wound symmetrically around a circular rod. The string goes exactly 4 times around the rod. The circumference of the rod is 4 cm. and its length is 12 cm. Find the length of the s ...

## What does $v = v_0 + t_1(v_1v_0) + t_2(v_2v_0)$ parameterize where $t_i$s are scalars and $v_i$s are vectors December 1    2

On the one hand $v$ looks like it describes a plane. On the other hand, $v_0 + t_1(v_1 - v_0)$ describes a line in $3$-space. Since we need two vectors(?) to describe a line, $t_2(v_2 - v_0)$ is redundant, meaning $v$ describes a line. Can you elabor

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