Create the confidence interval with margin of error
The sample of 1000 adults showed that 32 % of them are smokers. Create the 90 % confidence interval with margin of error for proportion of all adults who are smokers? What must be minimum sample size to keep Margin of error under 1%?
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Create the 90 % confidence interval with margin of error for proportion of all adults who are smokers? What must be minimum sample size to keep Margin of error under 1%?
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Describe the pH of a buffer solution prepared by dissolving the12.51g of cyanic acid (HCNO) and 65.60g of sodium cyanate (NaCNO) in the enough water to make 1.00 L of solution [Ka (HCNO)=2.0 x10-4]
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