Question: Decide whether a discrete or continuous random variable is the best model for each of the following variables a The number of cracks exceeding one

Decide whether a discrete or continuous random variable is the best model for each of the following variables a The number of cracks exceeding one half inch in 10 miles of an interstate highway b The weight of an injection molded plastic part c The number of molecules in a sample of gas d The concentration of output from a reactor

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