From the following table representing achievement of 173 television viewers and 183 nonviewers, find
(a) The percent of nonviewers who are high achievers,
(b) The percent of viewers who are high achievers,
(c) The proportion of nonviewers who are high achievers, and
(d) The proportion of viewers who are high achievers.

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Achievements for Television Viewers and Nonviewers Viewing Status Nonviewers Viewers Achievement High achievers Low achievers 93 90 183 46 127 172 Total