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Question: The 5-tuples in a 5-ary relation represent these attributes of all people in the United States: name, Social Security number, street address, city, state.
a) Determine a primary key for this relation.
b) Under what conditions would (name, street address) be a composite key?
c) Under what conditions would (name, street address, city) be a composite key?
Calculate the mean and standard deviation (by hand) for the MINITAB created binomial distribution with the probability of a success being ½. Either show work or explain how your answer was calculated. Mean = np, Standard Deviation =
Seawater has density 1025 kg/m3 and flows in a velocity field v = y i + x j, where x, y, and z are measured in meters and the components of v in meters per second. Find the rate of flow outward through the hemisphere x2 + y2 + z2 = 144, z ≥ 0.
A union strike vote is scheduled for tomorrow, and it looks close. You expect 100 people to vote, and the probability that a typical individual will vote to strike is estimated to be 0.4. Suppose that the voters make their decisions independent from ..
1. Solve log3x+log3(x+8)=2 2. Find (f o g)(x) if g(x) =f-1(x) is the inverse of the function f(x).
The polpulation of a certain country is growing exponentially at a rate of 1.6% per year. how ... the time in years for a population with growth rate k to double.
Jeanine Baker makes floral arrangements. She has 18 different cut flowers and plans to use 6 of them. How many different selections of the 6 flowers are possible?
Entrepreneurs-businessmen have a role to play in environmental management. Share an example of a company that failed to implement environmental management plans and policies while rolling out a new product(s) and/or service(s).
On the south side, the addresses are 4, 10, 16, etc., and on the north side they are 3, 9, 15, etc. A sign painter paints house numbers on a house for 1 dollar per digit. If he paints the appropriate house number once on each of these 40 houses, h..
He has invented a counter for his bike which counts the number of revolutions the wheels make
The bill (parts and labor) for the repair of an automobile was $395. The cost for parts was $185. The cost of labor was $30 per hour. Let x represent the number of hours of labor. Write an equation that represents the total bill for the repair of ..
Eliminate the parameter t to find a Cartesian equation for the parametric curve. Sketch this parametric curve, indicating with arrows the direction in which the curve is traced.
A freeway access ramp is 470 ft long and rises 32 ft. What is the average angle of inclination of the ramp?
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