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Several years​ ago, a study of college freshmen found that 29.2​% of incoming freshmen characterized their...

Several years​ ago, a study of college freshmen found that 29.2​% of incoming freshmen characterized their political views as​ liberal, 46.6​% as​ moderate, and 24.2​% as conservative. For this​ year, a random sample of 500 incoming college freshmen yielded the following frequency distribution for political views. Complete parts​ (a) and​ (b) below.

Liberal   145
Moderate   235
Conservative   120

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