Question: 4. Given n = 500 and p = 0.38, (a) find the margin of error for 98% confidence level. (b) find 98% confidence interval

4. Given n = 500 and p = 0.38, (a) find the  

4. Given n = 500 and p = 0.38, (a) find the margin of error for 98% confidence level. (b) find 98% confidence interval to estimate population proportion. Interpret your result. 5. Given n = 65, x = 145, and a = 12.5, (a) find the margin of error for 99% confidence level. (b) find 99% confidence interval to estimate population mean.

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To calculate the margin of error and confidence intervals we can use the formulas based on the normal distribution and the Central Limit Theorem Lets ... View full answer

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