Interview Questions

Saurabh K. - "P(A) = 0.6 P(B) = 0.4 P(D|A) = 0.05 P(D|B) = 0.03 Question asks to solve for P(A|D) P(A|D) = (P(D|A) x P(A))/P(D) = (0.05 x 0.6)/(P(D|A) x P(A) + P(D|B) x P(B)) = (0.05 x 0.6)/(0.05 x 0.6+0.03 x 0.4) = 30/42 = 5/7 = 0.714 Notice above that P(D) = P(D|A) x P(A) + P(D|B) x P (B)"See full answer

Sueudo G. - "I think rapport with the team is key to deciding what one of these members can do that would bring more development capability to him, the team and the project. Analyzing the skill and attitude of my team members in advance and putting them in the role where they are strongest and happiest has been an important factor in my success stories. Taking care to identify a potential leader in the team will make it evolve faster as well. So this is how I make decisions when forming a squad for a spec"See full answer

Atit P. - "I'd start by clarifying the purpose of the in-flight experience. Get more travelers? (adoption) Reduce customer churn? (retention) Gain additional revenue? (revenue) Lets say we want to offer an in-flight experience that drives revenue. It is intuitive that, customer expectations for an in-flight experience will vary based on the duration of the flights: Short haul flights (1 hour or less): Self-help options are better suited. While seating may be important, a slight inconvenience for"See full answer

Lea M. - "THIS QUESTION IS FROM AMAZON STRUCTURE OF THE ANSWER ARTICULATE YOUR IDEA WHY IS IT WORTH ADVOCATING ACHIEVING THE IDEA THE RESULTS AND IMPACT FOR THE COMPANY FROM THIS IDEA. AND ADD THE CHERRY ON THE TOP I HAVE A PRESENTATION MADE TO PRESENT YOUR IDEAS INTO A COMPELLING WAY"See full answer

Ashutosh K. - "Imagine you're a PM for Mastercard. Design a product for restaurants to help them transition to a purchase order (PO) system that reduces their labor costs Mission & Vision : Mastercard is a payment processing fintech company, it has different payment service & products ex credit/debit cards etc. Mastercard vision and mission to to connect the world financially making payment process seamless across different industries. Clarifying questions : What type of restaurants on basis of revenue we"See full answer

Anubhav S. - " At low level: I would use two stacks: one for forward history and other for backward history. i go to tryexponent.com => this url will be stored in backward history stack. i go to google => again this url will be stored in backward history stack. i press back => data from backward history will be popped and put in to forward history stack. I press forward => data from forward history stack will be popped and put in to backward history tab. Also, whenever i go to any url,"See full answer

Jacky Y. - "Problem scope: Can this system detect Bot in real-time online or offline? Both. Online traffic: 1M DAU. Latency: 2s. Offline frequency: daily Offline data: 2B activity logs. Data: How do we know a Bot player (Label)? Human label. Imbalance data: reweight, resample. Develop a Bot simulator to generate more data offline for training. Given lower weight to simulator data than human label. Features: Signals from different models online. Log all the features for offline. Propose new features: dail"See full answer

XYZ - "We have observed that DAU have been declining, while MAU has remained constant. Activity is define as: Logging in. Viewing content. Posting content. Interacting with other users (likes, comments, etc.). Daily Active Users (DAU): This measures the number of unique users who engage with Instagram on a daily basis. It indicates how frequently users interact with the platform and reflects its daily stickiness. Monthly Active Users (MAU): This measures the number of unique users who en"See full answer

Frank A. - "1) create the experimental and control groups. 2) Then calculate the proportion (mean) of the true conversion rates for both groups using the convert column which counts True as 1 and False as 0. This is their conversion rates 3) calculate the statistic of the two groups by subtracting the proportion and standardizing. 4) get the p-value and compare with 0.05. 5) conclude the difference is statistically significant if the p-value is less than 0.05 otherwise no statistical difference"See full answer

Kunal S. - "Goal Clarification Let’s start by clarifying the goals on the in-flight entertainment system. My assumption is that the goal to enhance/improve the in-flight customer experience and increase passenger loyalty rather than generating additional revenue. User Segments We can broadly segment the customers into casual traveler frequent traveler frequent business frequent leisure travelers Given that frequent business traveler account for the highest airline revenue"See full answer

Rick E. - " from typing import List one pass O(n) def find_duplicates(arr1: List[int], arr2: List[int]) -> List[int]: duplicates = [] i1 = i2 = 0 while i1 < len(arr1) and i2 < len(arr2): if arr1[i1] == arr2[i2]: duplicates.append(arr1[i1]) i2 += 1 i1 += 1 return duplicates debug your code below print(find_duplicates([1, 2, 3, 5, 6, 7], [3, 6, 7, 8, 20])) `"See full answer

stash - "Clarification: Which region do we want to know about? —> Global Is Facebook lite included in this offering —> No. Only the Facebook app (mobile / web) Product Overview Facebook photo sharing allows users to upload photos and make them visible to their network. Doing so, users are able to share moments from their lives with friends and family. Goals User Goals Share memories with network View people’s reactions and respond View other people’s photos and respond to th"See full answer

Vihari K. - "First, let me clarify a few points to ensure I understand the scope of the case study correctly: • Scope of Resources and Timeline: Are there any constraints on resources or timeline we should consider, or can we assume unlimited resources for this project? • Target Market: Is this tool aimed at a global market or specific regions? • Integration: Should the tool integrate with existing TikTok Shop features, or are we developing a standalone solution? • Technological Capabilities: Are there s"See full answer

Dee - "Clarify the question: Is this team for a specific part of JPMC or all of JPMC? Did we already have a DevOps team and we want to introduce the element of security? Steps to build a solution: 1: Define the company and team goals 2: Define the landscape What is the toolchain we want to use? What should the CI/CD lifecycle look like? 3: Define guiding principles for internal builds and third-party software/services which could include: Deployment frequency Traceability/observa"See full answer

Sneha S. - "Clarifying Questions Candidate : What is the objective we want to achieve? Interviewer : Enhance User Experience, User Engagement and add value Candidate : What platform are we looking at Mobile App or Desktop? Interviewer : Platform independent Candidate : Have we conducted any product discovery experiments at this point? Interviewer : Not yet Candidate : Can we assume the new features will cater to all professionals across different industries? Interviewer : Yes Candidate : A"See full answer