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Mathematics, 20.07.2020 01:01 itzdulceee
A recently televised broadcast of 60 minutes had a 15 share, meaning that among 5000 monitored households with TV sets in use, 15% of them were tuned to 60 minutes. Use a 0.05 significance level to test the claim of an advertiser that among the household with TV sets in use, less than 20% were tuned to 60 minutes.
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