bear342
26.02.2020 •
Mathematics
A social scientist uses a survey to study how much time per day people spend doing yard work. The variable given on the survey website measures this using the values 0, 1, 2, ..., 24. Explain how, in theory, TV watching is a continuous random variable.
(A) Someone could watch exactly 1 hour of TV or 1.8643 hours of TV.
(B) A person's focus while watching TV goes up and down as a continuous random variable,
(C) TV watching is something done all at once without interruption.
(D) A person's enthusiasm for watching TV goes up and down as a continuous random variable.
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Ответ:
Option A) Someone could watch exactly 1 hour of TV or 1.8643 hours of TV.
Step-by-step explanation:
We are given the following in the question:
TV watching is a continuous random variable.
Continuous variable:
A continuous variable values can be expressed as a whole number as well as a decimal.They can take any value within an interval.Usually they are measured and not counted.Thus, TV watching is a continuous variable because:
Option A) Someone could watch exactly 1 hour of TV or 1.8643 hours of TV.
Ответ:
the answer is D
Step-by-step explanation:
(0, -3) , (1, -3) , (2, -3)
Hope this helps! :)
~Zane