1:52 AM Sat Jul 9 Suppose that a vending machine service company models its income by assuming that money flows continuo

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1 52 Am Sat Jul 9 Suppose That A Vending Machine Service Company Models Its Income By Assuming That Money Flows Continuo 1 (39.1 KiB) Viewed 48 times

1:52 AM Sat Jul 9 Suppose that a vending machine service company models its income by assuming that money flows continuously into the machines, with the annual rate of flow given by f(t)= 180e0.03 in thousands of dollars per year. Find the total income from the machines over the first 9 years. (Round your answer to the nearest thousand dollars.) thousand dollars Need Help? Read It Show My Work (Optional) 20. [0/3 Points] DETAILS *** webassign.net Watch It PREVIOUS ANSWERS MY NOTES PRACTICE ANOTHER HARMATHAP12 13.2.069. The duration t (in minutes) of customer service calls received by a certain company is given by the following probability density function. (Round your answers to four decimal places.) f(t) = 0.2e-0.2t 120 (a) Find the probability that a call selected at random lasts 4 minutes or less. x (b) Find the probability that a call selected at random lasts between 7 and 11 minutes.. 71% (c) Find the probability that a call selected at random lasts 4 minutes or less given that it lasts 7 minutes or less.