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Benny the Barber owns a one-chair shop. At barber college, they told Benny that his customers would exhibit a Poisson arrival distribution and that he would provide an exponential service distribution. His market survey data indicate that customers arrive at a rate of 2 per hour. It will take Benny an average of 20 minutes to give a haircut. Based on these figures, find the following: A). The average number of customers in line B). The average time a customer waits C). The average time a customer is in the shop D). The average utilization of Benny's time
Test car A is traveling at a rate of 146 ft/sec . Test car B is traveling at a rate of 93 mi/h. Which car is moving at the faster rate?
Find the inverse of the function f. Describe the relationship between the two graphs.
a plane flies 460 mph with the wind and 300 mph against the wind in the same time. if the speed of the wind is 28 mph, what is the speed of the plane in still air?
a radio telescope with a diameter of 300 feet and a maximum depth of 46 feet. the graph depicts a cross section of this telescope. find the equation of this parabola.
Find all critical points of the function f (x) = -3x x + 2 Create a sign chart for the first derivative and based on the sign chart state intervals where the function is increasing and decreasing state exact values for the x and y coordinates for ..
Elena sold 87 boxes of girlscout cookies, she was told that this amount represented 5% of the troops sale. how many boxes the the group sell?
Describe the economic issues and describe the special needs (e.g., health) of the population being served.
Orbit of Venus. If the average radius of the orbit of Venus is 0.723 AU, then how many years does it take for Venus to complete one orbit of the sun? Use the information
A company produces two products, A and B For each unit of A sold the profit is $8, and for each unit of B the profit is $11. It has bee n found from past experience that 25% more of A can be sold than of B.
How many backpacks contained exactly two of the three writing instruments?
The marginal cost C(x) of manufacturing x cell phones is 2 C ( x) = 5 x - 200 x + 4000 . How many cell phones should be manufactured to minimize cost? What is the minimum cost?
Find the slope and the equation of the tangent line to the graph of the function at the given value of x.
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