e. Suppose a cable TV executive claims that p = .10. Is the claim believable? Explain.
e. Suppose a cable TV executive claims that p = .10. Is the claim believable? Explain.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:6.46 Cable TV subscriptions vs. streaming services. Refer
to the 2018 CNBC All American Survey discussed in
Exercise 2.4 (p.48). Recall that a poll was conducted
on a representative sample of 800 adults living in the
United States in order to investigate the decline in
cable and satellite TV subscriptions. For this sample, 160
adults revealed that they are "cord cutters," (i.e., they
canceled their cable/satellite TV service and now only
use a video streaming service like Netflix or Hulu). You
want to estimate p, the true proportion of all US adults
who are "cord cutters."
a. Find p, the point estimate of p.
b. Describe the sampling distribution of p.
c. Find a 95% confidence interval for p.
d. Give a practical interpretation of the confidence inter-
val, part c.
e. Suppose a cable TV executive claims that p = .10. Is
the claim believable? Explain.
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