A large cable company reports the following:
? 80% of its customers subscribe to cable TV service
? 42% of its customers subscribe to Internet service
? 32% of its customers subscribe to telephone service
? 25% of its customers subscribe to both cable TV and Internet service
? 21% of its customers subscribe to both cable TV and phone service
? 23% of its customers subscribe to both 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)
b. P(Internet | cable TV)
c. P(exactly two services)
d. P(Internet and cable TV only)