cements Section 9.2 Homework Progress saved Done Score: 6/13 7/13 answered S Question 6 Accou < > 0/1 pt 3 2 Details Dashbo ss College y Resources ent Services The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 72.1 for a sample of size 27 and standard deviation 5.2. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 80% confidence level). Assume the data is from a normally distributed population. Enter your answer as a tri-linear inequality accurate to three decimal places.