How long does it take to get hired at 4R Systems?

The hiring process at 4R Systems takes an average of 7 days when considering 23 user submitted interviews across all job titles. To compare, the average duration of hiring at similar companies like BlackRock, Inc. is 14 days, Fabricated Software, Inc. is 2 days, and Apple Inc. is 21 days. Candidates applying for Operations Research Analyst had the quickest hiring process (on average 6 days), whereas Operations Research Client Analyst roles had the slowest hiring process (on average 21 days).

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4R Systems

4R Systems interview questions

based on 23 ratings - Updated Feb 11, 2020

Average interview difficulty

Mixed interview experience

How others got an interview

68%
Campus Recruiting
Campus Recruiting
16%
In Person
In Person
11%
Applied online
Applied online
5%
Employee Referral
Employee Referral

Interview search

23 interviews

Operations Research Analyst Interview

Sep 16, 2017

Anonymous Interview Candidate

No offer

Negative experience

Average interview

Application

I applied through college or university. I interviewed at 4R Systems

Interview

Went through two phone interviews. The manager just through out probability questions, brain teaser questions on and on. Four probability questions in the first round. Never asked about personal background or why interested in this business or so. Again, endless probability questions in the second round. Will rush you and hang up the phone immediately when you got stuck.

Interview questions [1]

Question 1

The manager likes to describe P([Null hypothesis is true]|[Reject Null hypothesis] ) as False Positive, which is counter intuitive from the basic statistical setting.

Answer question

Research Analyst Interview

Sep 6, 2017

Anonymous Interview Candidate

No offer

Neutral experience

Average interview

Application

I applied through college or university. I interviewed at 4R Systems in Aug 2017

Interview

Phone interview. The interviewee was the Vice President of Analytics. He first introduced about the position, what kind of person he was looking for, and what role this person would act in the team. He was kind and clear in talking.

Interview questions [1]

Question 1

There are three coins, one is a fair coin and the other two are biased (two-heads). You choose one and flip once and you get a head. What's the probability that the coin is the fair one?

Answer question

Operations Research Analyst Interview

Aug 30, 2017

Anonymous Interview Candidate

No offer

Positive experience

Average interview

Application

I applied online. I interviewed at 4R Systems in Aug 2017

Interview

I had a phone interview with the Senior Vice President, Analytics. He discussed the position, what kind of a candidate he was looking for, and what the company does.

Interview questions [1]

Question 1

Questions on fundamentals of probability. There are three coins, one is a fair coin and the other two are biased (two-heads). You choose one and flip once and you get a head. What's the probability that the coin is the fair one? How would you explain this to someone with no knowledge of probability & statistics?

1 Answer

Viewing 6 - 10 of 23 Interviews

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4R Systems

4R Systems interview questions

Average interview difficulty

Mixed interview experience

How others got an interview

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Operations Research Analyst Interview

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Operations Research Analyst Interview

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