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You are working on an analysis of your company's current cost structure reviewing the various fixed and variable costs within your firm. Your objective is to maximize your firm's profit. In reviewing your current sales you are confident that you will reach a sales level of 40,000 units. Your fixed costs are presently $500,000 with a variable cost per unit of $25 per unit and a sales price of $43 Your options are:
a. Increase your fixed costs by $50,000 which will decrease variable costs by $8 per unit.
b. Sell off $100,000 of your fixed costs which will increase your variable costs by $12 per unit.
c. Decrease your sales price by $5 in order to increase sales by 5,000 units. Which of the above alternatives would your choose to increase profits?
The trial failed to show significance. How many subjects would be required to detect the difference in proportions observed in the trial with 80% power?
Suppose that the null hypothesis is rejected and that an alternate hypothesis is accepted. Discuss the conclusion as a type I error, a type II error, or a correct decision-if in fact the defendant is innocent.
If you are told a population has a mean of 25 and a variance of 0, what must you conclude? a) Someone has made a mistake. b) There is only one element in the population.
In the study of 15 taxi drivers, average experience was 11.2 years. Standard deviation was 2. At α = .10, is number of years' experience of taxi drivers really less than taxi company claimed?
The progress report of a research analyst to the supervisor stated: "All the estimated regression coefficients in our model with three predictor variables to predict sales are statistically significant.
If you randomly select ten m&m's, what is the probability that exactly three of them are green?
Fairfield homes is developing two parcels near Pigeon Fork, Tenn. In order to test different advertising approaches, they use different media to reach potential buyers.
If Mr. Cue were to order 1000 kilograms (instead of EOQ) of ivory at a time, what would be the length of the cycle between orders?
Assume we interested in relationship between the age of individual, as measured by visits. Suppose after selecting 15 members the observation:
compute the correlation coefficient for the data below. what is the equation for the regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825
An automobile manufacturer claims the variance in the fuel consumption for its vehicles is less than the variance of similar type vehicles from another competitor.
Seven employees were included from Area A, 9 from Area B and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?
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