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%?
Write down the equation for the formation of the precipitate produced in the test tube which is having the calcium hydroxide in the synthesis of ethanol reaction.
If 100 grams of calcium hydroxide (mild base) are added to a beaker which is having the 50.0 grams of hydrochloric acid, will all of the calcium hydroxide be neutralized? If not, discuss how much will be neutralized?
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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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