Case 1: chaussure chaussure is an online shoe retailer. The applications for the web site are developed using classes and object-oriented programming techniques. The Shoe class is used to create an object that represents a standard shoe. The Shoe class needs to be used in an application for boots. You have copied the Shoe. vb file into the boot application. What do you need to do next to include the file in the boot application? a. Click PROJECT on the menu bar and then click Add Class. b. Click PROJECT on the menu bar and then click Add Existing Item. c. Select the Shoe. vb file from the list of filenames. d. Click the Add button to add the file.

Researchers measured the data speeds for a particular smartphone carrier at 50 airports. the highest speed measured was 78.1 mbps. the complete list of 50 data speeds has a mean of x overbarequals16.11 mbps and a standard deviation of sequals18.65 mbps. a. what is the difference between carrier's highest data speed and the mean of all 50 data speeds? b. how many standard deviations is that [the difference found in part (a)]? c. convert the carrier's highest data speed to a z score. d. if we consider data speeds that convert to z scores between minus2 and 2 to be neither significantly low nor significantly high, is the carrier's highest data speed significant? a. the difference is nothing mbps.