A cylinder has a volume of 254.34 inches cubed. The height of the cylinder is 4 inches. What is the radius of the circle? O r=20.25 inches
O r=4.5 inches
O r=60.84 inches
O r=7.8 inches​

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.