SOLUTION: Which the following is an example of a continuous random variable?
Waiting time at a check-out counter in a supermarket
The frequency of arrivals at an airport
Outcome o
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-> SOLUTION: Which the following is an example of a continuous random variable?
Waiting time at a check-out counter in a supermarket
The frequency of arrivals at an airport
Outcome o
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Time is always a continuous variable. Ex: you can have 1.2 seconds or 1.002 seconds
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The frequency of arrivals at an airport
This is a discrete number. Ex: 4 arrivals
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Outcome of a certain game
Outcome of a game, however you measure it, is discrete. If you measure it by the winning team's score, it is discrete since you have a set number of points. If you measure it by point spread, the same applies.
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Number of heart surgeries in a hospital on a particular day
This is represented by positive whole numbers, so discrete.
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Sunday night attendance at the movies
You can put this solution on YOUR website! Which the following is an example of a continuous random variable?
Note: If the event is countable, it is not a CONTINUOUS random variable.
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Waiting time at a check-out counter in a supermarket::: time is continuous
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The frequency of arrivals at an airport:: not continuous
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Outcome of a certain game:: not
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Number of heart surgeries in a hospital on a particular day:: not
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Sunday night attendance at the movies:: not
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Cheers,
Stan H.
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