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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
A researcher wants to know if elderly people who own dogs are equally as likely to pay visits to their doctors than those who do not own dogs.
Suppose a stock analyst wants to determine whether there is a difference in the mean rate of returns for three types of stock - utility, retail, and banking.
Test whether the mean rate is less than 6%. Use P-value approach.
Independent random samples taken on two university campuses revealed the following information concerning the average amount of money spent on textbooks during the fall semester.
Choose a variable and collect data for a least three different groups(samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following:
Choice of exponential smoothing constant w has little or no effect on forecast values using exponential smoothing.
For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%.
The sat scores attainted by the students in nyc are approximately normally distributed with a mean of 500 and a standard deviation of 80. Find the percentage of students who score less than 700.
A person purchases a package of 10 ball-point pens which, unknown to the purchaser, contains 4 defective pens. Of the first 2 pens used by the purchaser
How does a linear regression allow us to better estimate trends, costs, and other factors in complex situations?
A sample of 19 albino Hungarian banded aardvarks was examined for nose length. Since this is a small sample, how various degrees of freedom will be used to find the t-score.
The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0. Assume 36 golfers played the course today. Find the probability that the average score of the 36 golfers exceeded 71.
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