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Yankee Hill Stone Co has a contract to supply gravel for all road repairs. The company maintains 3 stockpiles, each containing the following amounts of gravel: #1-100 tons, #2-60 tons #3-80 tons. Because of recent flooding, many roads need repair. The company has rcvd instructions to deliver the following amounts of gravel to these locations: Fremont-40 tons, Johnstown-90 tons Marion-110 tons. Contract est. for many years and transportation cost per ton/location are well known.
Fremont Johnstown Marion#1 4 5 2#2 8 7 10#3 6 1 4
Starting with the initial solution derived by the nw corner method identify the cell w/the best cost improvement index and the quantity that can be transferred to that cell.
Find the optimal solution using the MODI method.
A certain company relies heavily on phone orders. Suppose past records show that R% of all incoming phone calls to this company are orders from customers.
The manufacturer of a laser printer reports the mean number of pages a cartridge will print before it needs replacing is 12,325. The distribution of pages printed per cartridge closely follows the normal probability distribution and the standard d..
Gerald takes the ACT Assessment mathematics test and scores 27. ACT math scores for 2007 were Normally distributed with mean 21.0 and standard deviation 5.1. What is Eleanor's standardized score?
The residents play both shuffleboard and poker, find the probability that a resident plays poker, given that they garden (that is, find P(poker | garden).
Define the standard error of the mean. What happens to the standard error as the sample size increases? Explain
In 280 trials with a professional touch therapist, correct responses to a question were obtained 1223 times. The P-value of 0.979 is obtained when testing the claim that p > 0.5 (the proportion of correct responses is greater than the proportion o..
A random sample of 250 adults in a medium size college town were surveyed and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence.
If "fair" coin is tossed four times and comes up heads all four times, probability of heads on the fifth trial is?
When making the histogram from frequency table, (a) what goes along the bottom, (b) what goes along the left edge, and (c) what goes above each value?
Data from the Motor Vehicle Department indicate that 80% of all licensed drivers are older than age 25. In a sample of n=60 people who recently received speeding tickets, 38 were older than 25 years and the other 22 were age 25 or younger.
The one time fling. Have you ever bought the article of clothing (dress, sports jacket, etc.) worn item once to a party, and then returned purchase?
Of those mountain climbers who attempt mt. McKinley, only 60% reach the summit. In a random sample of 14 mountain climbers who are going to attempt mt. McKinley, what is the probability of each of the following?
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