Allied Corporation is trying to determine whether to purchase Machine A or B. It has leased the two machines for a month. A random sample of 5 employees has been taken. These employees have gone through a training session on both machines. Below you are given information on their productivity rate on both machines. (Let the difference d = Machine A - Machine B.) 
a.State the null and alternative hypotheses for a two-tailed test.
b.Find the mean and standard deviation for the difference.
c.Compute the test statistic.
d.Test the null hypothesis stated in Part a at the 10% level.
Definitions:
System Reliability
A measure of the ability of a system, such as a computer or network, to operate continuously without failure over a specified period of time.
Temporary Internet Files
Files stored on a computer's hard drive by a web browser, used to speed up the loading of web pages by storing elements of those pages.
Video Port
A video port is a type of connection interface used for transmitting video signals between a computer and a display device like a monitor or television.
USB
Short for Universal Serial Bus, a standardized technology for connecting peripherals to a computer, allowing for data transfer and power supply.
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