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Question: The Ace Steel Mill estimates the demand for steel in millions of tons per year as follows:
a. If capacity is set at 18 million tons, how much of a capacity cushion is there?
b. What is the probability of idle capacity, and what is the average utilization of the plant at 18 million tons of capacity?
c. If it costs $8 million per million tons of lost business and $80 million to build a million tons of capacity, how much capacity should be built to minimize total costs?
in exercises 9.55-9.60 we have given the value obtained for the test statistic z in one mean z-test. we have also
List SKU which was purchased the most. List two SKUs that were purchased most frequently together. List three SKUs that were purchased most frequently together.
Develop a frequency histogram for the income variable. Does it appear from the graph that income is approximately normally distributed? Discuss.
Between what two values does the P -value of this test fall?
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.
the life span of a battery is normally distributed with a mean of 2500 hours and at percent of batteries have a life
Suppose you conduct survey asking people if they support something or if they like some product or if they watch some TV-show.
Cisco Systems, Inc., is the leading maker of networking gear that connects computers to the Internet. Company managers are concerned with the productivity.
Tompkins Associates reports that the mean clear height for a Class A warehouse in the Unites States is 22 feet. Suppose clear heights are normally distributed and that the standard deviation is 4 feet.
average weight of goats in a farm is 125 pounds with the standard deviation of 12 pounds. assume the distribution of
Coefficient of Determination Does a correlation of -0.70 or +0.50 give a larger coefficient of determination?
A random sample of 35 properties in Marin County gives x¯ = $4.32 million and s = $0.87 million. Is the average sale price of all properties in both locations.
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