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Q 1)
During the recession that began in 2008, not only did some people stop making house payments, but they also stopped making payments for local government services such as trash collection and water and sewer services. The following data have been collected by an accountant who is performing an audit of account balances for a major city billing department. The population from which the data were collected represents those accounts for which the customer had indicated the balance was incorrect. The dependent variable, y, is the actual account balance as verified by the accountant. The independent variable, x, is the computer-generated account balance.
X
233
10
24
56
78
102
90
200
344
120
18
Y
245
12
22
103
85
190
320
23
Compute the least squares regression equation.
b. If the computer-generated account balance was 100, what would you expect to be the actual account balance as verified by the accountant?
c. The computer-generated balance for Timothy Jones is listed as 100 in the computer-generated account record. Calculate a 90% interval estimate for Mr. Jones's actual account balance.
d. Calculate also a 90% interval estimate for the average of all customers' actual account balances in which a computer-generated account balance is the same as that of Mr. Jones (part c). Interpret your results.
Calculate the mean and standard deviation (by hand) for the MINITAB created binomial distribution with the probability of a success being ½. Either show work or explain how your answer was calculated. Mean = np, Standard Deviation =
Find the cycle time in SECONDS because the tasks are in seconds and find the theoretical number of workstations
Linear Differential Equations - Intial value problem has a solution - discusses about linear differential equations.
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prove that if f is differentiable at a and fa 6 0 then f is also differentiable at a. give an example to show why the
Many Americans dream of winning the lottery and play frequently. During this discussion, we will look at the lotteries and see if there is really a chance to win.
Consider a rectangular box of volume 100 cubic centimters. Suppose that the base is a rectangle with sides x centimeters and 2x centimeters. Let hx give the height of the box in centimeters and let Ax be the total area of the six sides of the box.
If no two strings in a code differ in fewer than three positions, the we can actually correct a single error, by finding the unique string in the code that differs from the received string in only one position.
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