Indicate which of the following random variables are discrete and which are continuous.,a. The amount of rainfall in a city during a specific month,b. The number of students on a waitlist to register for a class,c. The price of one ounce of gold at the close of trading on a given day,d. The number of vacation trips taken by a family during a given year,e. The amount of gasoline in your car’s gas tank at a given time,f. The distance you walked to class this morning

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