The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction
Posted: Wed May 11, 2022 10:11 am
The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 80.4 for a sample of size 396 and standard deviation 12.3. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 90% 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). < μ<