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 35% of its customers subscribe to its telephone service 27% of its customers subscribe to both its cable TV and Internet service 22% of its customers subscribe to both its cable TV and phone service 23% 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. Use the probability formulas of this section to find the following probabilities. (a) P(cable TV only) (b) P(Internet|cable TV) (c) P(exactly two services) (d) P(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 35% of its customers subscribe to its telephone service 27% of its customers subscribe to both its cable TV and Internet service 22% of its customers subscribe to both its cable TV and phone service 23% 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. Use the probability formulas of this section to find the following probabilities. (a) P(cable TV only) (b) P(Internet|cable TV) (c) P(exactly two services) (d) P(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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Question

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
35% of its customers subscribe to its telephone service
27% of its customers subscribe to both its cable TV and Internet service
22% of its customers subscribe to both its cable TV and phone service
23% 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. Use the probability formulas of this section to find the following probabilities.

(a)

P(cable TV only)

(b)

P(Internet|cable TV)

(c)

P(exactly two services)

(d)

P(Internet and cable TV only)

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