Describe about the Level of Confidence.

Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.

A poll of 1070 U.S. adults found that 563 U.S. adults, or 52.617% regularly used Facebook as a news source. Find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 90% level of confidence. Express all answers as percentages rounded to 2 decimal places. Do not write the percent sign. Margin of Error (as a percentage): Confidence Interval: Margin of Error (as a percentage): Confidence Interval: Now find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 95% level of confidence. Margin of Error (as a percentage): Confidence Interval: % to O increases O stays roughly the same O decreases % to Finally, find the margin of error and confidence interval for the percentage of U.S. adults who regularly use Facebook as a news source, at the 99% level of confidence. and the precision of our estimate O decreases O increases O stays roughly the…

Express the confidence intervals (70.3%, 87.9%) in the form of p-hat, plus or minus ME. ? Plus or minus ?

What is the lower bound of the confidence interval? A 98% confidence interval for the data: 25, 38, 62, 45, 61, 38, 21, 42, 31, 35. Round to 2 decimal places.

What is a confidence interval

A researcher is calculating a confidence interval. All other things being constant, what happens to the width of confidence interval when the confidence level is increased? Decreases May increase or decrease Remain the same Increases

QUICK ANSWER PLEASE 1.if your p-value=0.961 and your confidence level = 95% what does this imply for signifance and why ? 2. your professer says, your final exam grade hsa a t-score is a -0.25. what does this imply for you grade in comparsion to the class and why?