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a student used a 500-mL graduated cylinder to measure the volume of water in a 1 -cup measure. three trials of the measurements gave volumes of 240 mL, 242 mL, and 235 mL. What is the average of the three measurements?were the measurements precise? Were they accurate? Justify your answer.
Len Mast earned $2,200 for the last two weeks. He is married, is paid biweekly, and claims 3 exemption. What is Len's income tax? Use the percentage method.
A motorboat travels 664 km in 8 hours going upstream and 452 km in 4 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
The number of days off taken by 30 police detectives in a given year is provided below. Develop appropriate intervals and create a histogram for the data.
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. Two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 32° and to the other is 54°. How far apart..
A flu epidemic hits a large city. Each resident of the city is either sick, well, or a carrier. The proportion of people in each of these categories by age is given by the matrix:
Describe an example of a data set that cannot be represented by a tree, but that be represented by a more general graph. Explain why it cannot be represented by a tree.
A small business has an average income of $3,000.00 per month with a standard deviation of $250.00. If the income in a given month is $3,300.00, what z-score corresponds to this value?
Let X be the cost of the sofa. What is the average cost of a sofa if the advertised sofa is $250 and the more expensive sofa is $ 375?
A thin wire has the shape of the first-quadrant part of the circle with center the origin and radius c. If the density function is ρ(x, y) = kxy, find the mass and center of mass of the wire.
Among the professionals you have interviewed for your article, were several state and federal government spokespersons who use linear equations in a variety of ways.
Two fires towers are 30 kilometers apart, tower A being due west of tower B. A fire is spotted from the towers, and the bearings from A and B are E 14 N and W 34 N. Find the distance d of the fire from the line segment AB.
Explain what is meant by a function. Give two real-world examples of relationships that are functions and two real-world examples that are not functions.
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