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MSA Computer Corporation manufactures two models of minicomputers, the Alpha 4 and Beta 5. The firm employs 5 technicians, working 160 hours each per month, on its assembly line. Management insists that full employment (that is, ALL 160 hours of time) be maintained for EACH worker during next month’s operations. It requires 20 labor-hours to assemble each Alpha 4 computer and 25 labor-hours to assembly each Beta 5 model. MSA wants to produce at least 10 Alpha 4s and at least 15 Beta 5s. Alpha 4s generate $1200 profit per unit, and Beta 5s yield $1800 each. Formulate a linear optimization model and solve this problem using Excel solver. If an additional assembler can be hired full-time (160 hours) and the wage-rate for assemblers is $15/hour should this additional assembler be hired?
The length of a rectangular swimming pool is 2x - 1 meters, and the width is x + 2 meters. Write a polynomial that represents the area. Find the area if x is 5 meters.
The new independent variable improves the predictive power of the regression model.
Would the conclusion remain the same if the two confidence intervals had instead been calculated at 90% confidence? Explain.
The demand for airplane passengers (Y) is a function of a average fare (X1), the fare of the competing airline, and the annual per capital income of the passengers(X3)
The new Twinkle bulb is being developed to last more than 1000 hours. A random sample of 100 of these new bulbs is selected from the production line.
A bank's loan officer rates applicants for credit. The ratings can be described by a Normal model with a mean of 200 and a standard deviation of 50.
A pie chart shows the market shares of cola products. The "slice" for Pepsi-Cola has a central angle of 90 degrees. What is its market share?
Use the sales forecaster's, predictions to describe a normal probability distribution that can be used to approximate the demand distribution.
The following data show samples of three chain stores in three different locations in one town and the amount of dollars spent per customer per visit. At the 0.05 level, is there a difference in among the means?
At a large department store, the amount a shopper spent and the shopper's gender (male or female) were recorded. To determine if gender is useful in explaining the amount of money a shopper spends at the store we could
Use the Internet to find a website that shows an example or application correlation or regression in the area of your interest or in your profession. Discuss how correlation or regression was used and summarize your finding.
At the .05 level, you are testing whether there is a significant difference in the proportions of college students and similar aged non college students having accidents during the two year period. Is this a test of sample means or sample proporti..
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