True or False
The 21tr² in the total surface area of a cylinder formula
represents the area of the two circular bases.
Hint: Total Surface Area of a Cylinder = 27r2+ 2 trh

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.