Question
The director of research and development is testing a new medicine. She wants to know if there is evidence at the0.05level that the medicine relieves
The director of research and development is testing a new medicine. She wants to know if there is evidence at the0.05level that the medicine relieves pain in more than325seconds. For a sample of54patients, the mean time in which the medicine relieved pain was333seconds. Assume the variance is known to be441.
Step 1 of 5:Enter the hypotheses:
Step 2 of 5:Enter the value of theztest statistic. Round your answer to two decimal places.
Step 3 of 5:Specify if the test is one-tailed or two-tailed.
Step 4 of 5:Enter the decision rule.
Step 5 of 5:Enter the conclusion.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-text-image.webp)
Get Instant Access with AI-Powered Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Step: 3
![blur-text-image](https://dsd5zvtm8ll6.cloudfront.net/includes/images/document_product_info/blur-subtext-image.webp)
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started