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Translate the following arguments into symbolic form and use the first four rules of inference to derive the conclusion of each. The letters to be used for the simple statements are given in parentheses after each exercise. Use these letters in the order in which they are listed.
If the drug interdiction program is strengthened only if cocaine becomes more readily available, then either the number of addicts is decreasing or the war on drugs is failing. If the drug interdiction program is strengthened, then smugglers will shift to more easily concealable drugs. If smugglers shift to more easily concealable drugs, then cocaine will become more readily available. Furthermore, the number of addicts is not decreasing. Therefore, the war on drugs is failing. (D, C, N, W, S)
At the end of 24 weeks of treatment, subjects were classified as responders or non-responders to treatment based on a battery of psychological tests.
Five have a 3/10,000 chance for failure. Four have a 4/10,000 chance for failure. One componet has a 1/100 chance for failur. What is the overall reliability of the product?
How fast do icicles grow? We have data on the growth of icicles starting at length 10 centimeters (cm) and at length 20 cm. An icicle grows at the same rate, 0.15 cm per minute, starting from either length.
consider a regular polygon all sides are of equal length with n sides.how many triangles are formed if no side of the
1. the american auto association reports the mean price per gallon of regular gasoline is 3.45 with a population
For each of the following datasets, explain whether you would expect the mean or the median of the observations to be higher:- In a rural farming community, for each household the number of children is measured.
Does the sample show sufficient reason to conclude that the population standard deviation is not equal to 8 at the 0.05 level of significance?
a machine produces parts with lengths that are normally distributed with ? 0.55. a sample of 10 parts has a mean
HR Consulting surveyed a random sample of 74 Twin Cities construction companies to find information on the costs of their health care plans. One of the items being tracked is the annual deductible that employees must pay.
a loan officer at a bank rates applicants for credit. ratings are normally distributed. the mean is 240 and the
iq data is thought to be normally distributed with a mean of 100 and a standard deviation of 15. using the emperical
a civil engineer is analyzing the compressive strength of concrete. compressive strength is approximately normally
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