Mathematics, 10.10.2019 01:00 dailanniiii
The manager of a local fast-food restaurant is interested in improving the service provided to customers who use the restaurant’s drive-up window. as a first step in this process, the manager asks his assistant to record the time it takes to serve a large number of customers at the final window in the facility’s drive-up system. the results are in the file p07_08.xlsx, which consists of nearly 1200 service times. for this problem, you can assume that the population is the data in this file. use excel to generate a simple random sample of size 30 from the data. round your answers to two decimal places, if necessary. a. calculate a point estimate of the population mean from the sample selected above. 2.3 what is the sampling error, that is, by how much does the sample mean differ from the population mean
Answers: 3
Mathematics, 21.06.2019 17:50
To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1
Answers: 1
Mathematics, 21.06.2019 20:30
Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a
Answers: 3
Mathematics, 22.06.2019 00:00
Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent
Answers: 1
The manager of a local fast-food restaurant is interested in improving the service provided to custo...
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