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lakewood fashions must decide how many lots of assorted ski wear to order for its 3 stores. Information on pricing, sales and inventory costs has led to the following payoff table,in thousands.
order size low demand medium high1 lot 12 15 152 lots 9 25 353lots 6 35 69
a) what decision should be made by the optimistb) what decision should be made by the conservativec) what decision should be made using minimax regret
For a sample of 138 independent observations from a normal distribution of unknown μ and variance σ 2 = 2.6, the sample mean is 52.3. What is the width of the 95% confidence interval for μ?
Determine percentage of boys in this age range have carbohydrate intake above 140g/1000cal and carbohydrate intake below 90g/1000cal?
When creating a 99% confidence interval for the true average difference in cholesterol levels by the drug, what is the margin of error?
You are running a chi-squared test. You have 2 groups with 3 characteristics each, what would your critical value be with an alpha of .025?
The number of lightning strikes in a year at the top of a particular mountain has a Poisson distribution with a mean of 4.2. Find the probability that in a randomly selected year, the number of lightning strikes is 0.
A marketing survey involves product recognition in New York and California. Of 600 New Yorkers surveyed, 195 knew the product while 150 out of 614 Californians knew the product.
The following data are based on information from Domestic affairs. Let X be the average number of employees in a group helh insurance plan, and let Y be the average administrative cost as a percentage of claims.
In a survey of women in a certain country (ages 20-29), the mean height was 62.9 inches with a standard deviation of 2.81 inches.
A small business owner is experiencing a high staff turnover and wants to design a study to investigate the problem. What is the probability of randomly chosen student scoring at least 60?
Recent studies have shown that the super-cooling temperature of terrestrial frogs frozen at -6°C has a relative frequency distribution with a mean of - 2°C and a standard deviation of 0.3°C (The first of these studies was reported in Science, May ..
To get the best deal for CD player, Jessica called eight appliance stores and asked the cast of a specific model. The prices she quoted are listed below. Show all work. Compute the standard deviation.
Given following financing project being considered by venture film, determine critical path probability of completion by 17 weeks.
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