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An entrepreneur buys an apartment building with 40 units. The previous owner charged $240 per month for a single apartment and on average rented 32 apartments at that price. The entrepreneur discovers that for every $20 he raises the price another apartment stands vacant.
A. Let x represent the number of $20 price increases. Write expressions for the new price, the number of rented apartments, and the total revenue.
B. What price should the entrepreneur charge for an apartment in order to maximize his revenue?
What is the value of the coefficient of determination for this regression model? Comment on the strength of the regression line for this model.
Queuing Analysis: Cost comparisons, All trucks traveling on a major highway must stop at a weigh station. Trucks arrive at a rate of 200 per 8-hour day. The station can currently weigh on average 220 trucks per 8-hour day.
Calculate the percentage of students who score less than 700
T est to see if the mean of the population is at least twelve ounces.
A motorboat travels 255 mi in 3 hours going upstream and 540 mi in 4 hours going downstream. What is the rate of the boat in still water and what is the rate of the current?
A person repeatedly and independently flips a coin to decide whether to take a step to the left or to the right from a point X. determine the expected number of times the person returns to X.
The tank has height 7 m and the diameter at the top is 6 m. If the water level is rising at a rate of 18 cm/min when the height of the water is 2.5 m, find the rate at which water is being pumped into the tank.
a twin-engine aircraft can fly 1050 miles from city a to city b in 5 hours with the wind and make the return trip in 7 hours against the wind. What is the speed of the wind?
a pizza company claims that it puts 0.5 kg of cheese in its pizza of a certain size. the amount of cheese on a randomly selected pizza of this size is normally distributed with a mean of 0.5 kg and standard deviation of 0.025 kg.
If n points are equally spaced on the circumference of a circle, what is the probability that three points chosen at random will form a right triangle?
Construct examples showing that every possible connectivity number occurs (for graphs regular of degree 3):(Kappa) = 0, 1, 2, 3. Kappa = connectivity
The principal P is borrowed at a simple interest rate r for a period of time (t). Find the simple interest owed for the use of money. Assume 360 days in a year and round answers to the nearest cent
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