In an engine, there are cylinders where the pistons travel up and down. The cylinders fill with a gas the eventually ignites which creates the combustion needed for the engine to stay running. A ford motor has 8 cylinders, each with 5in diameter, each with a 5in diameter and a height of 8in. What is the total volume, all the cylinders combined, in the engine?

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.