If n=640 and ^pp^(p-hat) =0.8. Construct a 98% confidence interval. Given your answer to 3 decimal....
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Q: find the margin of error at a 95% confidence level
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If n=640 and ^pp^(p-hat) =0.8.
Construct a 98% confidence interval.
Given your answer to 3 decimal....
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- If n=490 and ˆpp^ (p-hat) =0.54, find the margin of error at a 90% confidence levelGive your answer to three decimalsin a sample of 102 people who have had strokes, the average cholesterol level was 250 with a standard deviation of 50. Find the LOWER bound of the 99% confidence level of the average cholesterol level of people who had a stroke. (please express your answer using 2 decimal places)Out of of a sample of 500 families, 205 had children under the age of 18 living in the home. Based on this, construct a 95% confidence interval for the true population proportion of families with children under the age of 18 living in the home. Give your answers rounded to 4 decimal places. < Select an answer ✓ <
- If n=350 and ˆpp^ (p-hat) =0.64, find the margin of error at a 90% confidence levelGive your answer to three decimalsSlove the Following: #1. If n=490 and ˆpp^ (p-hat) =0.46, find the margin of error at a 99% confidence level. Give your answer to three decimals #2. In a recent poll, 340 people were asked if they liked dogs, and 31% said they did. Find the margin of error of this poll, at the 95% confidence level. Give your answer to three decimals #3. If n = 540 and ˆpp^ (p-hat) = 0.7, construct a 99% confidence interval.Give your answers to three decimals. #4. Out of 300 people sampled, 279 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids. Give your answers as decimals, to three places. #5. A political candidate has asked you to conduct a poll to determine what percentage of people support her.If the candidate only wants a 4% margin of error at a 95% confidence level, what size of sample is needed? Give your answer in whole people. #6. Assume that a sample is used to estimate a population proportion p. Find the 90%…If n=330 and ˆpp^ (p-hat) =0.28, find the margin of error at a 90% confidence levelGive your answer to three decimals
- If n=200 and ˆpp^ (p-hat) =0.16, find the margin of error at a 95% confidence levelGive your answer to three decimalsIf n=480 and p^ (p-hat) =0.45, find the margin of error at a 90% confidence levelGive your answer to three decimalsIf n=130 and ˆpp^ (p-hat) =0.19, find the margin of error at a 95% confidence levelGive your answer to three decimals
