"Ursula is the most popular person in her apartment complex. Everyone knowsher face and where she lives. Given what we know about location and interactionpatterns, which of the following statements about Ursula‘s apartment is most likelytrue?"The apartment is in a back corner of the complex. The apartment has a door opening to a private hallway. The apartment is upstairs and far from a stairwell. The apartment is right next to the mailboxes.

d. The apartment is right next to the mailboxes.

Explanation:

As it is mentioned in the statement that every one knows where Ursula lives and also everyone knows her face. These things make it impossible for the first three statements to be true.

a. If her apartment is in the back corner, she will have interaction with people only while getting out and into the apartment which will not ensure that everyone will know her.

b. A door opening to a private hallway still doesn't ensure that she is this much social.

c. Upstair and far from stairwell also tells that only few people will know her, not all.

d. This one is true as she lives right next to mailboxes and every person in apartment tends to check their mailboxes and probability of knowing her face and where she lives is the highest.

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