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by wallstreet
May 11th, 2010, 1:12 pm
Forum: Brainteaser Forum
Topic: Probability and Programming Question
Replies: 2
Views: 31614

Probability and Programming Question

<t> 1. 3 random variables A,B,C, iid Uniform(0,1) what's the probability of A>B? A>C? 2. an array consisting of n numbers {1,...,n}, one of them is set to 0. how to find it? what's the complexity?3. given a class, with constructor/copy constructor/= operator/destructoryou want to add a new pointer t...
by wallstreet
November 20th, 2009, 8:29 pm
Forum: Careers Forum
Topic: Job Market
Replies: 16
Views: 37119

Job Market

Hi guys,I was wondering how is the job market situation currently for quants? Has it improved and firms hiring again or have there been more layoffs with entry-level quants needing to compete with experienced people for jobs?
by wallstreet
November 8th, 2009, 9:31 pm
Forum: Brainteaser Forum
Topic: Linked List
Replies: 6
Views: 36931

Linked List

<t>Given a linked list of N floating point numbers, write an algorithm to populate an M long array with numbers from the linked list where M < N. Every number in the linked list must have equal chance of appearing in the array, but a number may not appear twice (note that there are no repeats in the...
by wallstreet
November 6th, 2009, 12:50 am
Forum: Brainteaser Forum
Topic: Coin Flip
Replies: 6
Views: 42163

Coin Flip

In 100 consecutive coin flips, what is the probability that the sequence H H T T will not appear? Outline a computationally feasible algorithm to solve this. If the number of coin flips is raised to 1 billion will your algorithm complete in a reasonable amount of time?
by wallstreet
November 5th, 2009, 7:21 pm
Forum: Brainteaser Forum
Topic: Points on a circle
Replies: 17
Views: 42970

Points on a circle

Two points are located at random locations on the unit circle - all locations are equally likely. Let X be the length of the straight line connecting them. What is the mean and variance of X?
by wallstreet
November 5th, 2009, 5:48 pm
Forum: Careers Forum
Topic: Coin Flip
Replies: 1
Views: 32887

Coin Flip

In 100 consecutive coin flips, what is the probability that the sequence H H T T will not appear? Outline a computationally feasible algorithm to solve this. If the number of coin flips is raised to 1 billion will your algorithm complete in a reasonable amount of time?
by wallstreet
November 5th, 2009, 5:47 pm
Forum: Careers Forum
Topic: Points on a circle
Replies: 5
Views: 33144

Points on a circle

Two points are located at random locations on the unit circle - all locations are equally likely. Let X be the length of the straight line connecting them. What is the mean and variance of X (to 4 decimal places)?
by wallstreet
October 29th, 2009, 9:40 pm
Forum: Brainteaser Forum
Topic: Colored Rabbits Brain Teaser
Replies: 19
Views: 39462

Colored Rabbits Brain Teaser

<t>There are 45 rabbits on an island, 13 red rabbits, 15 green rabbits, and 17 blue rabbits. When ever two different coloured rabbits meet, they both change colour to the non-present colour (eg: if a green and blue rabbit meet, they both turn red). Is it possible for all rabbits on the island to sim...
by wallstreet
February 10th, 2009, 10:37 pm
Forum: Careers Forum
Topic: New H1B visa rules, extended OPT
Replies: 8
Views: 46077

New H1B visa rules, extended OPT

I wonder which banks are still hiring quants or quant-related work in the current situation!relativist, could you shed some light on how the application process went through? Was it via a recruiter/headhunter or direct application throuvh the bank's website?
by wallstreet
April 8th, 2008, 1:38 pm
Forum: Careers Forum
Topic: Job Laid Off At I-banks/Fund house......
Replies: 24
Views: 62095

Job Laid Off At I-banks/Fund house......

Sorry double post!
by wallstreet
April 8th, 2008, 1:38 pm
Forum: Careers Forum
Topic: Job Laid Off At I-banks/Fund house......
Replies: 24
Views: 62095

Job Laid Off At I-banks/Fund house......

What are the academic profiles and paths to get into sales? Do Quantitative Structurers work in Sales?
by wallstreet
March 21st, 2008, 3:20 pm
Forum: Careers Forum
Topic: Quants and Brokers
Replies: 12
Views: 58585

Quants and Brokers

So cryptic, are you currently a quant or broker? From what I have gathered, brokers deal mostly with stocks, commodities and not options or derivatives. Quants are mostly into pricing derivatives among others (developer, stat-arb..).
by wallstreet
March 19th, 2008, 2:46 pm
Forum: Careers Forum
Topic: Quants and Brokers
Replies: 12
Views: 58585

Quants and Brokers

<t>I know that Quants can move into trading, but does anyone know of cases where Quants have moved on to become stock brokers? I know that one needs to take the series 7 exams to become a broker but I guess traders and brokers have relativiely similar skill sets. Or am i wrong? I am just curious if ...
by wallstreet
January 4th, 2008, 3:34 am
Forum: Careers Forum
Topic: Taxes!!
Replies: 2
Views: 60939

Taxes!!

<t> 1. What is considered to be a sufficient salary for a middle class/Upper middle class life in London and NY? What is the average salary(pre-tax) to be able to live in a decent neighborhood, go 1-2 times a year on vacation, 2-3 times on month to the restaurant, be able to send the kids to college...
by wallstreet
October 25th, 2007, 12:20 am
Forum: Careers Forum
Topic: Statistical Mechanics
Replies: 8
Views: 64558

Statistical Mechanics

<t>Thanks papercut..good to hear that the topics are great for quanting. I must say it's not getting any easier as the semester rolls on. Ising Models and Critical Phenomena have been challenging but very interesting. Next week we are getting into Stochastic Processes.DCFC, may I have a copy of the ...
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