he accounts receivable department at Rick Wing Manufacturing has been having difficulty getting customers to pay the full amount
of their bills. Many customers complain that the bills are not correct and do not reflect the materials that arrived at their receiving docks. The department has decided to implement SPC in its billing process. To set up control charts, 10 samples of 50 bills each were taken over a month's time and the items on the bills checked against the bill of lading sent by the company's shipping department to determine the number of bills that were not correct. The results were: Sample No. 1 2 3 4 5 6 7 8 9 10 No. of Incorrect Bills 9 2 14 1 3 2 3 4 9 0 a) The value of mean fraction defective (p overbar) = nothing (enter your response as a fraction between 0 and 1, rounded to four decimal places).
1 answer:
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Answer:
Step-by-step explanation:
You have the following differential equation:
(1)
In order to find the solution to the equation, you can use the method of the characteristic polynomial.
The characteristic polynomial of the given differential equation is:
The solution of the differential equation is:
(2)
where m1 and m2 are the roots of the characteristic polynomial.
You replace the values obtained for m1 and m2 in the equation (2). Then, the solution to the differential equation is: