Gavin Is an Avid Social Media User,and Decides to Investigate

question 10

Multiple Choice

Gavin is an avid social media user,and decides to investigate the social connectedness of people around the world.While in the process of analyzing a data set of instant messages composed of 40 billion conversations among 260 million people,his roommate Scott predicted the answer.Gavin was amazed when he discovered that Scott was right.What figure did Scott predict?

• A) 6
• B) 12
• C) 24
• D) 36

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Definitions:

Uniform Probability Distribution

A continuous probability distribution for which the probability that the random variable will assume a value in any interval is the same for each interval of equal length.

Continuous Random Variable

A Continuous Random Variable is a variable that can take an infinite number of values within a given range.

Probability Density Function

A function that describes the relative likelihood for a continuous random variable to occur at a point in the observation space.

Continuous Random Variable

A variable that can take an infinite number of real values within a specific range.