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Hoping to lure more shoppers downtown, a city builds a new public parking garage in the central business district. The city plans to pay for the structure through parking fees. During a two-month period (44 weekdays) daily fees collected averaged $126, with a standard deviation of $15.
What assumptions must you make in order to use statistics for inference?
Write a 90% confidence interval for the mean daily income this parking garage will generate.
Explain in context what this confidence interval means
Explain what 90% confidence means in this context.
The consultant who advised the city on this project predicted that parking revenues would average $130 per day. Based on your confidence level, do you think the consultant was correct? Why?
Determine the Fourier series for this function and find the period, frequency and angular frequency of the waveform
Interest from the 6% account is paid out annually and is reinvested at an annual effective discount rate of 4%. At the end of the thirty years, the funds are liquidated. Find the investor's accumulated value at the time of liquidation.
In your industrial oven, you bake two baking sheets with 15 scones each, two baking sheets with 14 cookies each, and one baking sheet with 8 scones and 12 cookies.
What is the volume of a triangular prism with a congruent base and the same height?
what is the maximum number of trees you can buy with a budget of $2,500? Write an inequality that illustrates the problem and solve. Expree your answer as an ineuality and explain how you arrived at your answer.
Use this tree diagram and the probability determined in part (a) to calculate the probability that she should receive at least one payment exactly on time.
Describe in words the graph of each of these curves below. Include in your description the shape, along with other possible relevant information such as length, width, and center points.
A body of mass 6 kg moves in a (counterclockwise) circular path of radius 7 meters, making one revolution every 8 seconds. You may assume the circle is in the xy-plane, and so you may ignore the third component.
Find the number of ways to get following card combinations
the national unemployment rate in a recent month was 4.9 percent. you think the rate may be different in your city so
Let A and B be subsets of a universal set U and suppose n(U) = 360, n(A) = 140, n(B) = 70, and n(A B) = 40. Find the number of elements in the set.
Use z score to solve the probability. Fluctuation in the prices of precious metals such as gold have been empirically shown to be well approximated by a normal distribution when observed over short interval of time.
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