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问一个expectation计算的问题
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问一个expectation计算的问题# EE - 电子工程
l*0
1
想检查下身体,查查B超什么的,请问有好的华人医生推荐么?
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a*a
2
有人知道吗
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x*e
3
Job Title Actuarial Analyst
Location Philadelphia, PA
Detailed Description

Full-time position. Key Responsibilities include:
• Assist with coding and implementation of hedging system
enhancements to incorporate new products and methodology improvements.
• Assist with regular actuarial assumption analysis and scenario
testing.
• Perform sensitivity tests on actuarial assumptions to understand
the impact of the assumptions update.
• Reconcile actuarial valuation outputs for audit requests.
• Provide support in analyzing new hedging strategies.

Education/Experience Requirements:
• Bachelor degree or higher in mathematics, actuarial science, or
related field required.
• Actuarial exam progress required. ASA or near ASA level.
• Prior actuarial work experience is required. Working knowledge of
variable annuities, hedging is highly desired. Experience with actuarial
valuation and/or product development for variable annuities a strong plus
• High proficiency in MS Excel and VBA required.
• Programming experience with Matlab and C++ a plus.
Desirable qualities:
• Understanding of derivatives, such as options/futures/swaps.
• Ability to work independently and efficiently.
• Experience programming with databases.
• Ability to multi-task among several projects under tight
deadlines.

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l*n
4
如果一个信号的表达式是x[n]=0.1e[n]+1.8x[n-1]-x[n-2]+0.35x[n-3],其中e[n]是
zero-mean,i.i.d,Gaussian-distributed random process with unit variance。现在
想计算E[x[n]x[n]]和E[x[n]x[n-1]],请问应该是怎么计算的?
谢谢~
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N*V
5
On April 3, USCIS received the package. The checks are “in process “ now.
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s*s
6
楼主材料是哪天寄到的
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a*a
7
我的是4月5号
目前还没有动静
查了网上case的status 竟然还是14年140 received的状态
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l*g
8
我的是4月6号寄到的,目前也没有动静,我的材料寄到Dallas那个中心了,是TSC吗?
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a*a
9
是tsc
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a*n
10
两周
3/27delivered
4/11 checks cashed
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v*v
11
3.29 delivered
Very early morning 4.16 text and email notice, check cashed.
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l*9
12
3/26delivered
4/17 checks cashed
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m*3
13
问一个问题,现在485排期(4月份提交的),提交的485的支票还是会cash吗?有没有
可能拿到EAD卡呢?
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m*3
14
我的tsc,20号deliver,今天cash了
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a*a
15
6号deliver 27号终于支票cash了
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