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 20:40
In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1
Answers: 1
Mathematics, 21.06.2019 22:30
If a and −a are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|
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Mathematics, 21.06.2019 23:30
In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.
Answers: 2
The manager of a local fast-food restaurant is interested in improving the service provided to custo...
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