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Size of TV households. According to Nielsen’s Television
Chapter 4, Problem 20E(choose chapter or problem)
Size of TV households. According to Nielsen’s Television Audience Report, 2010 & 2011, 26% of all U.S. TV households have a size of 1 person, 32% have a household size of 2, 17% have a household size of 3, and 25% have a household size of 4 or more. Let x represent the size (number of people) in a randomly selected TV household.
a. List the possible values of the discrete random variable x.
b. What is the probability that x = 1?
c. What is the probability that \(x \geq 4\)?
d. Explain why you cannot compute E(x).
Questions & Answers
QUESTION:
Size of TV households. According to Nielsen’s Television Audience Report, 2010 & 2011, 26% of all U.S. TV households have a size of 1 person, 32% have a household size of 2, 17% have a household size of 3, and 25% have a household size of 4 or more. Let x represent the size (number of people) in a randomly selected TV household.
a. List the possible values of the discrete random variable x.
b. What is the probability that x = 1?
c. What is the probability that \(x \geq 4\)?
d. Explain why you cannot compute E(x).
ANSWER:Step 1 of 5
According to to Nielsen’s Television Audience Report.
26% of all U.S. TV households have a size of 1 person, 32% of size 2, 17% of size 3 and 25% of size 4 or more.
x = the size in a randomly selected TV household.