a)What is the probability that three cable TV customers subscribe to at least one premium channel? b)What are the mean and standard deviation of cable TV subscribers? C)Assume that when we survey twenty randomly selected cable TV subscribers, we disco that exactly five cable TV customers actually subscribe to at least one premium movie cha Do you believe the executive's claim? Explain your answer with the supporting probabilit letione
a)What is the probability that three cable TV customers subscribe to at least one premium channel? b)What are the mean and standard deviation of cable TV subscribers? C)Assume that when we survey twenty randomly selected cable TV subscribers, we disco that exactly five cable TV customers actually subscribe to at least one premium movie cha Do you believe the executive's claim? Explain your answer with the supporting probabilit letione
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:An executive of Vittoria Communication claims that 50 percent of all cable TV customers
subscribe to at least one premium movie channel. In an effort to support her claim, she will pick
a randomly selected sample of cable TV customers.
Assume that the executive's claim is true, and she will pick a randomly selected sample of four
cable TV customers.
(a)What is the probability that three cable TV customers subscribe to at least one premium movie
channel?
(b)What are the mean and standard deviation of cable TV subscribers?
(c)Assume that when we survey twenty randomly selected cable TV subscribers, we discover
that exactly five cable TV customers actually subscribe to at least one premium movie channel.
Do you believe the executive's claim? Explain your answer with the supporting probability
calculations.
(d) Assume that the executive's claim is true, and she will pick a randomly selected sample of
twenty cable TV customers. What is the probability that between eight and twelve (exclusive)
cable TV customers subscribe to at least one premium movie channel?
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