Which of the following can be represented by a discrete random variable

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Which of the following can be represented by a discrete random
variable? Correct Answer ​The time of a flight between Chicago and
New York Correct Answer ​The average distance achieved in a series
of long jumps Correct Answer ​The number of defective light bulbs
in a sample of five Correct Answer ​The circumference of a randomly
generated circle

Answer

[ANSWER]

​The number of defective light bulbs in a sample of five

REASON:

A discrete variable is a variable which can only take a
countable number of values. In this example, the number of heads
can only take 4 values (0, 1, 2, 3) and so the variable is
discrete.

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