Mathematics, 28.02.2020 00:13 memo1102
During the first 13 weeks of the television season, the Saturday evening 8 p. m. to 9 p. m. audience proportions were recorded as ABC 30%, CBS 27%, NBC 26%, and independents 17%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data:
ABC 94 homes, CBS 71 homes, NBC 88 homes, and independents 47 homes.
1. Test with α = 0.05 to determine whether the viewing audience proportions changed.2. State the null and alternative hypotheses.
3. Find the value of the test statistic. (Round your answer to three decimal places.)4. Find the p-value. (Round your answer to four decimal places.)
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During the first 13 weeks of the television season, the Saturday evening 8 p. m. to 9 p. m. audience...
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