Practice E9 Progress saved Done Score: 0/10 0/5 answered (Elia-0&5 0 Question 3 v E 012 pts '0 5 8 9 (D Details The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 42.9 for a sample of size 867 and standard deviation 15.7. 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. Question Help: El Video D Post to forum Submit