A Newspaper Examined the Town's Two Hospitals and Found That $50 \%$

A newspaper examined the town's two hospitals and found that over the last six
months at Mercy Hospital 79% of the patients survived while at County Hospital 90%
survived. The table below summarizes the findings.

On closer investigation, it was observed that there was a difference in survival between patients who were admitted in poor condition or worse compared with patients admitted in fair condition or better. The following tables were created:
Patients admitted in poor condition or worse:

Patients admitted in fair condition or better:


a) Fill in the four blanks in the two tables above with percentages.
b) Compare the percentages in the first table with those in the next two tables. Do you observe anything unusual?

Those who were admitted in fair condition or better have a very high rate of survival. Mercy Hospital has an over $50 \%$ of survival for those admitted in poor condition or worse whereas in the summary table, Mercy Hospital had a lower rate of survival.
c) Which hospital would you choose and why? .