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A state lottery pays $10,000 to anyone whose lottery ticket has a winning five digit lottery number. Any number from 00000 to 99999 is a possible winner and each ticket costs $1. What is the expected value of purchasing a ticket in this lottery? How much net revenue does the state expect, on average from each ticket? What is the risk preference of people who play this lottery?
The following data represents 15 quarters of manufacturing capacity utilization (in percentages) Evaluate three and four quarter moving average for this time series. Which moving average provides the better forecast for the fourth quarter of 2003?
Find the standard deviation and variance from the (population) data below. Describe your results.
Which hypothesis-testing procedure would you use in the following situations? The mean time an American family lives in a particular single-family dwelling is 11.8 years.
If the standard deviation of the process is unknown, another approach is to use the sample range as a measure of process variability. Calculate the control limits for the above process using the sample range.
Benz-Merc Cars produces four classes of cars: subcompact, compact, intermediate and luxury. BM also produces trucks and vans. Vendor capacities limit total production capacity to at most 1.2 million vehicles per year.
If code is 4 random letters, and letters can be utilized multiple times, how many different possible codes are there?
With a standard deviation of 1.7 grams. Assuming the distribution of weights is normally distributed, 4% of whooping crane eggs weigh less than how many grams?
Jointsoft is a great over-the-counter arthritis medication, but who will ever know about it? Unfortunately, many people with arthritis tend to be elderly and rather immobile, so advertisers of arthritis medications face limitations in ways to get ..
Construct the 90% and 95% interval estimates for the population mean weekly sales.
A wholesaler has recently developed a computerized sales invoicing system. Prior to implementing this system, a manual system was used. The distribution of the number of errors per invoice for the manual system is as follows
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.
Given 5,000 light bulbs from an outside supplier. If past performance data indicates that these have been 3% defective, and a random sample of 40 parts are drawn from the shipment what is the probability that you will find more than 2 defective pa..
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