Answer / Ranjeet Ranjan Bharti

The two-roll strategy refers to rolling a die twice and considering the sum of the rolls. In this context, it's challenging to determine expected earnings without specifying the purpose or payoff associated with each combination of rolls.

What is a joke that people say about you and how would you rate the joke on a scale of 1 to 10?

1 Answers   Mu Sigma,

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What is the difference between Linkedin and Array

1 Answers   Amazon,

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Explain while working on a data set, how do you select important variables?

1 Answers  

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What motivates you to transition from academia to data science?

1 Answers   Insight,

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What is meant by sampling? Explain some sampling methods that you know?

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You are about to get on a plane to Seattle, you want to know whether you have to bring an umbrella or not. You call three of your random friends and as each one of them if it's raining. The probability that your friend is telling the truth is 2/3 and the probability that they are playing a prank on you by lying is 1/3. If all 3 of them tell that it is raining, then what is the probability that it is actually raining in Seattle.

1 Answers   Facebook,

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Why is dimensional reduction performed before fitting a support vector machine (svm)?

1 Answers  

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Explain why data cleansing is essential and which method you use to maintain clean data?

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What is the law of large numbers?

1 Answers  

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What do you mean by p-value?

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Can you explain collaborative filtering?

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Pick up a coin C1 given C1+C2 with probability of trials p (h1) =.7, p (h2) =.6 and doing 10 trials. And what is the probability that the given coin you picked is C1 given you have 7 heads and 3 tails?

1 Answers   Facebook,

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