9. Determine whether the value is a discrete random variable, continuous random
ID: 3208951 • Letter: 9
Question
9. Determine whether the value is a discrete random variable, continuous random variable, or not a random variable.
a. The amount of rain in City Upper B during April amount of rain in City B during April
b. The time it takes to fly from City Upper A to City Upper Btime it takes to fly from City A to City B
c. The political party affiliation of adults in the United States political party affiliation of adults in the United States
d. The amount of snowfall in December in City Upper Amount of snowfall in December in City A
e. The number of points scored during a basketball game number of points scored during a basketball game
f. The number of hits to a website in a day
Explanation / Answer
9. Determine whether the value is a discrete random variable, continuous random variable, or not a random variable.
a. The amount of rain in City B during April.
Continuous because amount of rain is measurable, not countable.
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b. The time it takes to fly from City A to City B.
Continuous because time is measurable, not countable.
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c. The political party affiliation of adults in the United States.
Political party affiliation is nominal, hence not a random variable.
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d. The amount of snowfall in December in City A.
Continuous because amount of snowfall is measurable, not countable.
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e. The number of points scored during a basketball game.
Discrete because the number of points scored during a basketball game is countable.
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f. The number of hits to a website in a day
Discrete because the number of hits to a website in a day is countable.
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