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A manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. At the end of December, the company wishes to forecast sales for January. The estimate of trend through November has been 200 additional boards sold per month. Average sales have been around 1000 units per month. The demand for December was 1100 units. The company uses a=0.20 and B=0.10. Make a forecast including trend for the month of January.
Find out the Optimum solution using the given data. Consider the following linear programming problem. Illustrate what is the optimum solution to this problem?
There are 6 children in a family. The number of children defines a population. The number of simple random samples of size 2 that are possible equals:
Use Chebyshev's theorem to determine what percent of values will fall between 58 and 82 for data set with mean of 70 and standard deviation of 4.
At a board meeting of 20 businessmen, all of whom wear ties, what is the probability that:
Enter relative proportions of the 3 samples in order (20,50,30) in "Expected values" area.
Utilize a test of the difference among proportions when answering these questions. Illustrate the research hypothesis.
At the 0.10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
Formulate this statement as a multiple regression model (form only, without parameter estimation).
A teller can process an average of 100 customers per hour, which also can be modeled by a Poisson distribution. If there is one teller on duty, determine:
Determine estimated average starting salary for school with average GMAT of 600 points?
The information is reported below. Is it reasonable to conclude the percent is less now than five years ago?
Chi-square test for independence of attributes - Describe why a x 2 test of the resulting contingency table is appropriate for such an investigation.
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