Mathematics
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Funaizhang's user avatar
Funaizhang's user avatar
Funaizhang
  • Member for 4 years, 10 months
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All Questions Answers
Score Newest
answer
7
Proving $E[X^4]=3σ^4$
Dec 16, 2020
answer
3
Coin Flipping Expected Value
Dec 31, 2020
answer
2
How many permutations of the string "000011112222" contain the substring "2020”?
Dec 19, 2020
answer
1
How to compute normal integrals $\int_{-\infty}^\infty\Phi(x)N(x\mid\mu,\sigma^2)\,dx$ and $\int_{-\infty}^\infty\Phi(x)N(x\mid\mu,\sigma^2)x\,dx$
Oct 13, 2020
answer
1
Occurrence of 5 consecutive tails before occurrence of 2 consecutive heads
Jan 3, 2021
answer
0
2 trams are coming every 5 and 10 minutes. On average, how long do I have to wait for any tram to come?
Feb 3, 2021
answer
0
Expected hitting time of a certain state in a Markov chain
Apr 2, 2022

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