Use the Following Information for Following Questions

Use the following information for following questions:
A group of 500 patients who suffer from severe migraines were asked to participate in a study to
determine the effectiveness of a new medication. The patients were randomly divided into two
groups, one that was given the actual medication, and one that received a placebo pill. A good
outcome was defined as a reduction in the number of migraines during a month's time. The
results of the study are below.
-Approximately what percent of patients who took the medication had a reduction in the amount of migraines?

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