Mathematics, 05.05.2020 18:33 charityclark1141
A computer software vendor claims that a new version of its operating system will crash fewer than 10 times per year on average. A system administrator installs the operating system on a random sample 0f 97 computers. At the end of a year, the sample mean number of crashes is 8.9, with a standard deviation of 3.6. Does the data support the vendor’s claim? Use = 0.01.
Answers: 1
Mathematics, 21.06.2019 15:00, lm18618
Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.
Answers: 2
Mathematics, 21.06.2019 17:30, milkshakegrande101
Which of the following tables represents exponential functions?
Answers: 1
Mathematics, 21.06.2019 18:50, xlebrny1215
Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?
Answers: 1
A computer software vendor claims that a new version of its operating system will crash fewer than 1...
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