A large cable company reports that 70% of its customers subscribe to its cable T

Question

A large cable company reports that 70% of its customers subscribe to its cable TV service, 32% subscribe to its Internet service, and 15% subscribe to both cable TV service and Internet service. Use the given probability information to select a "hypothetical 1000" table. Internet service not Internet service Total Cable TV not Cable TTotal 520 580 1,000 350 450 800 70 130 200 b. Internet service not Internet service Total Cable TVnot Cable TTotal 420 580 1,000 170 30 200 250 550 800 C. Cable Tnot Cable T Total 17 Internet service not Internet service Total 42 58 100 25 80 20 d. Internet service not Internet service Total Cable TVnot Cable TW Total 800 200 1,000 250 170 420 550 30 580 Cable T 150 550 700 not Cable TVTotal Internet service not Internet service Total 170 130 300 320 680 1,000

Explanation / Answer

Given that 70% i.e. 700 people subscribed to cable TV service, 32% i.e. 320 people subscribed to Internet service and 15% i.e. 150 people subscribed to both. The only table matching all these numbers is in option e.

Hence,

Option e is correct.

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