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Betty
  • Member for 7 years, 10 months
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5 votes
1 answer
76 views

More precise expression of the answer

4 votes
1 answer
3k views

What is the symbol that looks like an up arrow?

4 votes
2 answers
7k views

Expected value of the Max of three exponential random variables

3 votes
2 answers
689 views

Determinant of $N \times\ N$ matrix

3 votes
1 answer
80 views

$V^⊥$ where V is spanned by ${\cos x, \cos^2 x, \cos^3 x, \cos^4 x, . . . }$

3 votes
1 answer
140 views

Confusion - Am I on the right track on this power computation?

3 votes
1 answer
682 views

Poisson process

3 votes
0 answers
2k views

Probability - long-run proportion

3 votes
2 answers
527 views

Cumulative distribution functions (cdfs) question

3 votes
1 answer
126 views

linear transformation proof problem

3 votes
3 answers
2k views

Consecutive strings of heads problem

2 votes
2 answers
4k views

The probability density of $X^2$?

2 votes
0 answers
106 views

Mean-variance portfolio probelm

2 votes
1 answer
144 views

Similar matrix proof problem

2 votes
2 answers
2k views

Linear transformation between infinite dimensional vector space

2 votes
1 answer
51 views

Combination of vectors problem

2 votes
3 answers
67 views

Probability of a die ends up showing 1

2 votes
1 answer
164 views

Linear transformation basis problem

2 votes
2 answers
2k views

Queen’s random walk

2 votes
2 answers
122 views

Confusion - Correlation between -1 and 1

2 votes
1 answer
173 views

Find the kernel of the linear transformation

2 votes
2 answers
249 views

joint exponential distribution range problem

2 votes
1 answer
81 views

probability - Does it matter who goes first?

2 votes
1 answer
72 views

Confusion - The probability of the sum of two dice is $\frac{b-a+1}{36}$

1 vote
0 answers
2k views

Black-Scholes N(d1) and N(-d1)

1 vote
1 answer
2k views

expected waiting time for HTT - alternative way

1 vote
2 answers
583 views

A Truel - Exit Probability

1 vote
3 answers
833 views

Why $(v+1)^{-2}$ is F distribution with (2,2) degree of freedom?

1 vote
1 answer
5k views

How to determine if a Markov chain converge to equilibrium?

1 vote
1 answer
405 views

Limiting probability of Markov chain