Question: In July 2013 Jeff Witmer obtained a data set from

In July 2013, Jeff Witmer obtained a data set from the Tampa Bay Times after the Zimmerman case was decided. Zimmerman shot and killed Trayvon Martin (an unarmed black teenager) and was acquitted. The data set concerns "stand your ground" cases with male defendants. Some of these were fatal attacks, and some were not fatal. Many of those charged used guns, but some used various kinds of knives or other methods.
a. What percentage of the non-white defendants were convicted?
b. What percentage of the white defendants were convicted?
c. Test the hypothesis that conviction is independent of race at the 0.05 level. Assume you have a random sample.

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