Televisions: In 2018, the US Energy Information Administration (EIA) conducted a survey of home technology usage. The ta

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Televisions: In 2018, the US Energy Information
Administration (EIA) conducted a survey of home technology usage.
The table below reports the number of televisions (X) in 118.3
million homes. Data table is at the end. In the homework, you
needed to calculate probability for each number of televisions.
NOTE: Enter answers rounded to 2 decimal places and use a
leading zero when needed. For example: if the answer is .1,
enter the answer as 0.10
QUESTIONS:
2. Compute the mean =
3. Compute the standard deviation =
4. What is the probability that a randomly selected home owns 3
televisions? P(x=3) =
5. What is the probability that a randomly selected home owns 3
or more televisions? P(x>3) =
X
Total homes (million)
0
3.3
1
30.0
2
39.2
3
26.5
4
12.3
5 or more
7.0