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The Battery Park Stable feeds and houses the horses used to pull tourist-filled carriages through the streets of Charleston's historic waterfront area. The stable owner, an ex-racehorse trainer, recognizes the need to set a nutritional diet for the horses in his care. At the same time, he would like to keep the overall daily cost of feed to a minimum.
The feed mixes available for the horses' diet are an oat product, a highly enriched grain, and a mineral product. Each of these mixes contains a certain amount of five ingredients needed daily to keep the average horse healthy. The table on this page shows these minimum requirements, units of each ingredient per pound of feed mix, and costs for the three mixes.
In addition, the stable owner is aware that an overfed horse is a sluggish worker. Consequently, he determines that 6 pounds of feed per day are the most that any horse needs to function properly. Formulate this problem and solve for the optimal daily mix of the three feeds.
Define correlation. Then give an example of a misleading correlation and an example of a meaningful correlation. With this describe the relationship between correlation and causation.
what is the probability that student from this class will pass not fail?a 0.45b 0.60c 0.72d
1. in a recent year scores on a standardized test for highschool students with a 3.50 to 4.00 gpa were normally
Using the p-value approach, test the hypotheses at the 1% level of significance.
Enter relative proportions of the 3 samples in order (20,50,30) in "Expected values" area.
sales 2363 2.1 advertising - 279 price - 136 unemplpyment r2 .76units of measurement sales is in product units
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.
a national grocers magazine reports the typical shopper spends six minutes in line waiting to check out. a sample of 16
The mean television viewing time for Americans is 15 hours per week (Money, November 2003). Assume a sample of 60 Americans is taken to further investigate viewing habits. Suppose the population standard deviation for weekly viewing time is Q = 4..
A manufacturer produces a batch of memory chips (RAM) and measures the mean-time-between-failures (MTBF). The manufacturer then changes a manufacturing process and produces another batch and again measures the MTBF.
If they wish to estimate the population proportion within 0.03 and use 95 percent confidence, what is the largest random sample that they will need?
four married couples have bought 8 scats in the same row for a concert. in how many different ways can they be seated?a
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