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Discuss each of the pricing strategies below. What conditions are necessary to make each strategy successful in terms of increasing profits? Explain your answer. a. A local restaurant/bar offers discounted drinks during "happy hour," from 5 to 6 PM on weeknights. b. The price Company X charges for its ink cartridges is nearly as much as it charges for a printer. c. Packs of 5 T-shirts cost $10 while an individual T-shirt costs $4. d. Coupons for specials at a local grocery store can be downloaded from an online site. e. Computer and appliance manufacturers promote service contracts. f. Microsoft Office includes several programs in one package.
A coin is flipped 14 times. Use the normal approximation to the binomial distribution to calculate the probability of a total of 4,5, or 6 heads. Compare this to the binomial probability.
You need to estimate the mean Christmas sales across a large chain of jewelry stores. You want to estimate this mean value to within $100 with 99% confidence
Construct a 90% confidence interval for the population proportion p . Does your result agree with your conclusion in part (a)?
currently available medication is -9.4 minutes with a standard deviation of 2.8 minutes. Construct a 95% CI for the mean difference in times between the experimental and currently available medication.
Use x for the number of bats and y for the number of balls made per week. The number of work-hours avaiable for construction and finishing is fixed.
The owner of Western Clothing Company has determined that the company must sell 670 pairs of denim jeans each month to break even (i.e., to reach the point where total revenue equals total cost).
One suggested environmental determinant of pediatric lung function is the level of cigarette smoking in the home. A researcher wants to do a pilot study with two groups:
You obtain the data shown below for 30 girls with anorexia who were treated with psychodynamic therapy. Using the data below and the data above compare the outcomes for CBT and psychodynamic therapy.
Be sure the appropriate assumptions and conditions are satisfied before you proceed.
Determine the probability that she lives in an all electric home?
If you have a population that has a small sample, but does not meet all of the criteria for the nonparametric test how can you tell what test to use?
Doctors nationally believe that 68% of a certain type of operation are successful. In a particular hospital 47 of these operations were observed and 37 of them were successful. At a = 0.05 is this hospital's success rate different from the nationa..
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