V > ald pe ata ve Try for a . Do GeoGebra Probability Calculator C 2 G0/2 pts 0220 Details The effectiveness of a blood-

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V Ald Pe Ata Ve Try For A Do Geogebra Probability Calculator C 2 G0 2 Pts 0220 Details The Effectiveness Of A Blood 1 (87.26 KiB) Viewed 32 times

V > ald pe ata ve Try for a . Do GeoGebra Probability Calculator C 2 G0/2 pts 0220 Details The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 82.1 for a sample of size 437 and standard deviation 10.8. Question 1 Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 99% confidence level). Enter your answer as a tri-linear inequality accurate to one decimal place (because the sample statistics are reported accurate to one decimal place). Answer should be obtained without any preliminary rounding. Submit Question 9 Question 2 Go/1 pt 2 2 O Details A student was asked to find a 98% confidence interval for widget width using data from a random sample of size n = 23. Which of the following is a correct interpretation of the interval 13.9<u<28? Check all that are correct. 4 ( There is a 98% chance that the mean of a sample of 23 widgets will be between 13,9 and 28. The mean width of all widgets is between 13.9 and 28, 98% of the time. We know this is true because the mean of our sample is between 13.9 and 28. With 98% confidence, the mean width of all widgets is between 13.9 and 28. With 98% confidence, the mean width of a randomly selected widget will be between 13.9 and 28. There is a 98% chance that the mean of the population is between 13.9 and 28 Submit Question 0 FFF <μ< ) 0 ☆ P Scr Lk PrtSc SysRq 5 + Insert Delete Backspace