Question

QUESTION 12 During the first 13 weeks of the television season, the Saturday evening 8:00 pm to 9:00 p.m. audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89 homes, and independents 46 homes. Test to determine whether the viewing audience proportions changed. Choose the appropriate set of hypotheses. Ho: P ABC =0.29.P CBS = 0.28, P NBC =0.25 and PIND. - 0.18 Hy: The population proportions are not P ABC = 0.29.P C8 -0.28, PNBC = 0.25 and Pind.= 0.18 Ho: The population proportions are not PAC -0.29.PCB=0.28, PNBC -0.25 and Pind. -0.18 Hz: PABC -0.29.Pces -0.28, P Nec -0.25 and Rund. = 0.18 Ho: μ: Ο Hu> Ho: 0= 1 H: 0+1

Answer 1

QUESTION 12 During the first 13 weeks of the television season, the Saturday evening 8:00 pm to 9:00 p.m. audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89 homes, and independents 46 homes. Test to determine whether the viewing audience proportions changed. Choose the appropriate set of hypotheses. Ho: PABC =0.29.P CBS = 0.28, PNBC = 0.25 and Pind. = 0.18 He: The population proportions are not PA8C =0.29,P CBS = 0.28, PNBC = 0.25 and P IND. = 0.18 Ho: The population proportions are not PAC -0.29.P C85 -0.28, P NEC -0.25 and Pind.=0.18 Hz: PABC -0.29.Pces -0.28, P Nec -0.25 and Rund. = 0.18 Ho: μ: Ο Hu> Ho: 0= 1 H: 0+1

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