A Discrete Probability Distribution

question 55

Multiple Choice

A discrete probability distribution:

• A) lists all of the possible values of the random variable and their corresponding probabilities
• B) is a tool that can be used to incorporate uncertainty into models
• C) can be estimated from long-run proportions
• D) is the distribution of a single random variable
• Suppose that patrons of a restaurant were asked whether they preferred beer or whether they preferred wine.60% said that they preferred beer.70% of the patrons were male.80% of the males preferred beer.

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