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Q 28.  Suppose you have been given two Random Variables X and Y, whose joint distribution is already known, the marginal distribution of X is simply the probability distribution of X averaging over information about Y. It is the probability distribution of X when the value of Y is not known. So how do you calculate the marginal distribution of X

1. This is typically calculated by summing the joint probability distribution over Y.

2. This is typically calculated by integrating the joint probability distribution over Y.

3. This is typically calculated by summing (In case of discrete variable) the joint probability distribution over Y.

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5. All of the above

Ans : 5

 Get 300+ Questions and answer for Databricks Spark , Machine Learning and Data Science Certifications

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