A large cable company reports the following. 80% of its customers subscribe to its cable TV service 42% of its customers subscribe to its Internet service 37% of its customers subscribe to its telephone service 27% of its customers subscribe to both its cable TV and Internet service 23% of its customers subscribe to both its cable TV and phone service 24% of its customers subscribe to both its Internet and phone service 15% of its customers subscribe to all three services Consider the chance experiment that consists of selecting one of the cable company customers at random. Find and interpret the following probabilities. (a) P(cable TV only) P(cable TV only) = . % of cable company customers only subscribe to cable TV. (b) P(Internet|cable TV) P(Internet|cable TV) = . Of the customers who subscribe to cable TV, % subscribe to Internet service. (c) P(exactly two services) P(exactly two services) = . % of cable company customers subscribe to exactly two services (cable TV and Internet, cable TV and phone, or Internet and phone). (d) P(Internet and cable TV only) P(Internet and cable TV only) = . % of cable company customers subscribe to Internet and cable TV only.
A large cable company reports the following. 80% of its customers subscribe to its cable TV service 42% of its customers subscribe to its Internet service 37% of its customers subscribe to its telephone service 27% of its customers subscribe to both its cable TV and Internet service 23% of its customers subscribe to both its cable TV and phone service 24% of its customers subscribe to both its Internet and phone service 15% of its customers subscribe to all three services Consider the chance experiment that consists of selecting one of the cable company customers at random. Find and interpret the following probabilities. (a) P(cable TV only) P(cable TV only) = . % of cable company customers only subscribe to cable TV. (b) P(Internet|cable TV) P(Internet|cable TV) = . Of the customers who subscribe to cable TV, % subscribe to Internet service. (c) P(exactly two services) P(exactly two services) = . % of cable company customers subscribe to exactly two services (cable TV and Internet, cable TV and phone, or Internet and phone). (d) P(Internet and cable TV only) P(Internet and cable TV only) = . % of cable company customers subscribe to Internet and cable TV only.
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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A large cable company reports the following.
- 80% of its customers subscribe to its cable TV service
- 42% of its customers subscribe to its Internet service
- 37% of its customers subscribe to its telephone service
- 27% of its customers subscribe to both its cable TV and Internet service
- 23% of its customers subscribe to both its cable TV and phone service
- 24% of its customers subscribe to both its Internet and phone service
- 15% of its customers subscribe to all three services
Consider the chance experiment that consists of selecting one of the cable company customers at random. Find and interpret the following probabilities.
(a)
P(cable TV only)
P(cable TV only) = . % of cable company customers only subscribe to cable TV.
(b)
P(Internet|cable TV)
P(Internet|cable TV) = . Of the customers who subscribe to cable TV, % subscribe to Internet service.
(c)
P(exactly two services)
P(exactly two services) = . % of cable company customers subscribe to exactly two services (cable TV and Internet, cable TV and phone, or Internet and phone).
(d)
P(Internet and cable TV only)
P(Internet and cable TV only) = . % of cable company customers subscribe to Internet and cable TV only.
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