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Please help- A random sample of n=500 households where 150 have combined cable,phone, and internet service. Firrst, calculate p-hat, the sample proportion of households having such service. Then use a confidence level for pi, the proportion of all households in this area that have this service: use a confidence level of 90%
11 years ago

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Kuai
(-0.0371, 0.3715)
11 years ago

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