A paper maker is being asked to create and cut handmade paper to wrap around a cube with the edge length of 15 inches. (a) What is the surface area of the box? Show your calculations. PLEASE HELP!! part b; An order comes in to create paper for a box with the same dimensions and an open top. What is the surface area of this 2nd type of box? Show your calculations.

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean