What roles can I use the Probability Assessment Test for?

Here are few roles for which we recommend this test: Data Analyst Data Scientist Business Analyst Financial Analyst Risk Analyst Statistician Market Research Analyst Actuary Operations Research Analyst Quality Control Analyst

What is Probability Test?

The Probability Test evaluates a candidate's understanding of probability and their ability to apply probability concepts to solve problems. It's used by recruiters to identify candidates with strong quantitative and analytical skills.

Can I combine a Probability Test with a Numerical Reasoning Test?

Yes, recruiters can request a custom test combining Probability and Numerical Reasoning skills. Check out our Numerical Reasoning Test for more details.

How to use Probability Test in my hiring process?

Use the Probability Test as a pre-screening tool early in your recruitment process. Include a link in your job post or invite candidates via email. Adaface helps you identify skilled candidates sooner.

What are the main Quantitative Aptitude tests?

Other key tests in the Quantitative Aptitude category include: Statistics Test Data Interpretation Test Quantitative Aptitude Test

Probability Test

Q: What types of questions are included in the Probability Test?

The Probability Test includes multiple-choice questions focused on Probability Basics, Combinatorics, Random Variables, Joint Distributions, and Numerical Reasoning to assess a candidate's problem-solving abilities.

The Probability Test evaluates a candidate's understanding of probability concepts and their application in quantitative analysis. It assesses knowledge of topics such as quantitative aptitude, numerical reasoning, logical reasoning, and data interpretation, with a focus on probability theory.

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Screen candidates with a 40 mins test

Test duration: ~ 40 mins

Difficulty level: Moderate

Availability: Available as custom test

Questions:

10 Probability MCQs
5 Numerical Reasoning MCQs

Covered skills:

Probability Basics

Combinatorics

Random Variables

Joint Distributions

Quantitative Aptitude

Numerical Reasoning

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Adaface is used by 1500+ businesses in 80 countries.

Adaface skill assessments measure on-the-job skills of candidates, providing employers with an accurate tool for screening potential hires.

Use the Probability Assessment Test to shortlist qualified candidates

The Probability Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

Understanding of basic probability concepts
Ability to apply combinatorial techniques in probability problems
Knowledge of random variables and their properties
Understanding of joint probability distributions
Quantitative aptitude for solving probability-related problems
Ability to reason numerically in probability scenarios

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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this Probability Test will be non-googleable.

🧐 Question
Medium Green or red balls	Solve
A bag contains 5 red balls, 6 yellow balls and 3 green balls. If two balls are picked at random, what is the probability that both are red or both are green in colour?
Hard Square points and Circle	Solve
What is the probability that two uniformly random points in the square are such that center of the square lies in the circle formed by taking the points as diameter
Medium Increasing monthly gross profit Percentage Calculations	Solve
The CEO of Snipr. Inc wants to grow monthly gross profit by 4%. If costs stay the same, what does the sales turnover need to be in February to achieve this goal?
Hard Magic bag Arithmetic Sequences	Solve
Alex’s uncle is a magician who gave them a magic bag in which coins get doubled each time you put those coins into it. Initially, Alex had few coins with them. So, Alex put all the coins, and the coins got doubled. Alex took out all the coins and gave a few to their friend and then again put the remaining coins back in the bag. The coins doubled again; Alex took out all the coins again and gave a few coins to their second friend. Alex then put the remaining coins in the bag and the coins doubled again. Alex took out all the coins and gave a few coins to their third friend. There were no coins left with Alex when Alex gave coins to the third friend and Alex gave an equal number of coins to each friend. What is the minimum number of coins Alex had initially and how much did Alex give to each friend? A: Started with 3 coins B: Started with 5 coins C: Started with 6 coins D: Started with 7 coins E: Started with 9 coins F: Gave 3 coins in every turn G: Gave 4 coins in every turn H: Gave 5 coins in every turn I: Gave 7 coins in every turn J: Gave 8 coins in every turn K: Gave 9 coins in every turn
Medium Three Clocks Time Calculations	Solve
In my house, there are three clocks of different shapes – a round clock, a square clock, and a rhombus clock. The rhombus clock is always accurate whereas the round clock gains 2 minutes every day and the square clock loses 2 minutes every day. I checked the clocks on July 22nd, 2007 at 10 PM, and they were showing different times. Two hours later, when I checked, the clocks were showing the same time, then on which date will all three clocks show the same time again? A: 17 July 2008 B: 23 Sep 2007 C: 25 July 2009 D: 19 Aug 2008 E: 26 July 2008 F: 28 Nov 2007 G: 11 June 2008 H: 15 Aug 2007

	🧐 Question	🔧 Skill
	Medium Green or red balls	2 mins Probability	Solve
A bag contains 5 red balls, 6 yellow balls and 3 green balls. If two balls are picked at random, what is the probability that both are red or both are green in colour?
	Hard Square points and Circle	3 mins Probability	Solve
What is the probability that two uniformly random points in the square are such that center of the square lies in the circle formed by taking the points as diameter
	Medium Increasing monthly gross profit Percentage Calculations	2 mins Numerical Reasoning	Solve
The CEO of Snipr. Inc wants to grow monthly gross profit by 4%. If costs stay the same, what does the sales turnover need to be in February to achieve this goal?
	Hard Magic bag Arithmetic Sequences	3 mins Numerical Reasoning	Solve
Alex’s uncle is a magician who gave them a magic bag in which coins get doubled each time you put those coins into it. Initially, Alex had few coins with them. So, Alex put all the coins, and the coins got doubled. Alex took out all the coins and gave a few to their friend and then again put the remaining coins back in the bag. The coins doubled again; Alex took out all the coins again and gave a few coins to their second friend. Alex then put the remaining coins in the bag and the coins doubled again. Alex took out all the coins and gave a few coins to their third friend. There were no coins left with Alex when Alex gave coins to the third friend and Alex gave an equal number of coins to each friend. What is the minimum number of coins Alex had initially and how much did Alex give to each friend? A: Started with 3 coins B: Started with 5 coins C: Started with 6 coins D: Started with 7 coins E: Started with 9 coins F: Gave 3 coins in every turn G: Gave 4 coins in every turn H: Gave 5 coins in every turn I: Gave 7 coins in every turn J: Gave 8 coins in every turn K: Gave 9 coins in every turn
	Medium Three Clocks Time Calculations	3 mins Numerical Reasoning	Solve
In my house, there are three clocks of different shapes – a round clock, a square clock, and a rhombus clock. The rhombus clock is always accurate whereas the round clock gains 2 minutes every day and the square clock loses 2 minutes every day. I checked the clocks on July 22nd, 2007 at 10 PM, and they were showing different times. Two hours later, when I checked, the clocks were showing the same time, then on which date will all three clocks show the same time again? A: 17 July 2008 B: 23 Sep 2007 C: 25 July 2009 D: 19 Aug 2008 E: 26 July 2008 F: 28 Nov 2007 G: 11 June 2008 H: 15 Aug 2007

	🧐 Question	🔧 Skill	💪 Difficulty	⌛ Time
	Green or red balls	Probability	Medium	2 mins	Solve
A bag contains 5 red balls, 6 yellow balls and 3 green balls. If two balls are picked at random, what is the probability that both are red or both are green in colour?
	Square points and Circle	Probability	Hard	3 mins	Solve
What is the probability that two uniformly random points in the square are such that center of the square lies in the circle formed by taking the points as diameter
	Increasing monthly gross profit Percentage Calculations	Numerical Reasoning	Medium	2 mins	Solve
The CEO of Snipr. Inc wants to grow monthly gross profit by 4%. If costs stay the same, what does the sales turnover need to be in February to achieve this goal?
	Magic bag Arithmetic Sequences	Numerical Reasoning	Hard	3 mins	Solve
Alex’s uncle is a magician who gave them a magic bag in which coins get doubled each time you put those coins into it. Initially, Alex had few coins with them. So, Alex put all the coins, and the coins got doubled. Alex took out all the coins and gave a few to their friend and then again put the remaining coins back in the bag. The coins doubled again; Alex took out all the coins again and gave a few coins to their second friend. Alex then put the remaining coins in the bag and the coins doubled again. Alex took out all the coins and gave a few coins to their third friend. There were no coins left with Alex when Alex gave coins to the third friend and Alex gave an equal number of coins to each friend. What is the minimum number of coins Alex had initially and how much did Alex give to each friend? A: Started with 3 coins B: Started with 5 coins C: Started with 6 coins D: Started with 7 coins E: Started with 9 coins F: Gave 3 coins in every turn G: Gave 4 coins in every turn H: Gave 5 coins in every turn I: Gave 7 coins in every turn J: Gave 8 coins in every turn K: Gave 9 coins in every turn
	Three Clocks Time Calculations	Numerical Reasoning	Medium	3 mins	Solve
In my house, there are three clocks of different shapes – a round clock, a square clock, and a rhombus clock. The rhombus clock is always accurate whereas the round clock gains 2 minutes every day and the square clock loses 2 minutes every day. I checked the clocks on July 22nd, 2007 at 10 PM, and they were showing different times. Two hours later, when I checked, the clocks were showing the same time, then on which date will all three clocks show the same time again? A: 17 July 2008 B: 23 Sep 2007 C: 25 July 2009 D: 19 Aug 2008 E: 26 July 2008 F: 28 Nov 2007 G: 11 June 2008 H: 15 Aug 2007

Test candidates on core Probability Hiring Test topics

Probability Basics: The skill of Probability Basics involves understanding the fundamental principles and concepts related to probabilities, including calculating probabilities of events, using probability rules, and understanding the different types of probability distributions. This skill should be measured in the test to assess the candidate's foundational knowledge and understanding of probability, which is crucial in various fields such as statistics, data analysis, and decision making.

Combinatorics: Combinatorics is the skill of counting and arranging objects or events. It encompasses concepts such as permutations, combinations, and the principles of counting. Measuring this skill in the test helps evaluate the candidate's ability to solve problems involving arranging, selecting, and counting objects, which is essential in various mathematical and statistical applications.

Random Variables: The skill of Random Variables involves understanding the concept of random variables and their probability distributions. Random variables are variables whose values depend on the outcome of a random event. Measuring this skill in the test can assess the candidate's ability to analyze and interpret random phenomena, as well as apply probability distributions to model real-world situations.

Joint Distributions: Joint Distributions refer to the probability distribution of two or more random variables. This skill involves understanding the joint probability distribution, conditional probability, and related concepts. Including this skill in the test helps evaluate the candidate's grasp on modeling and analyzing the relationships between multiple random variables, which is essential in various fields such as machine learning, finance, and operations research.

Quantitative Aptitude: Quantitative Aptitude is the skill of solving mathematical problems and analyzing numerical data. It encompasses various mathematical concepts, including arithmetic, algebra, geometry, and graphs. Measuring this skill in the test allows recruiters to assess the candidate's ability to analyze and solve quantitative problems, which is valuable in roles that require data analysis, financial analysis, and problem-solving.

Numerical Reasoning: Numerical Reasoning is the skill of understanding and applying logical and analytical reasoning to numerical information. It involves interpreting and analyzing numerical data, identifying patterns, and making logical deductions. Including this skill in the test helps evaluate the candidate's ability to analyze and draw conclusions from numerical information, which is important in roles that require critical thinking, problem-solving, and data interpretation.

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