Mathematics, 23.06.2019 01:50 mylanag12
Acomputer system administrator notices that computers running a particular operating system seem to freeze up more often as the installation of the operating system ages. she measures the time (in minutes) before freeze-up for seven computers one month after installation, and for nine computers seven months after installation. the results are as follows: one month after install 207.4 233.1 215.9 235.1 225.6 244.4 2453 seven months after install: 84.3 53.2 127.3 201.3 174.2 246.2 149.4 156.4 104.3 let ? x represent the population mean for the first month and lety represent the population mean for the seventh month. find a 95% confidence interval for the difference ? x-? r. round down the degrees of freedom to the nearest integer and round the answers to three decimal places. the 95% confidence interval is
Answers: 3
Mathematics, 21.06.2019 14:10
What is the factored form of x2 − 4x − 5? (x + 5)(x − 1) (x + 5)(x + 1) (x − 5)(x − 1) (x − 5)(x + 1)
Answers: 2
Mathematics, 21.06.2019 19:00
Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4
Answers: 2
Mathematics, 21.06.2019 20:30
You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box
Answers: 2
Mathematics, 21.06.2019 21:30
The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?
Answers: 3
Acomputer system administrator notices that computers running a particular operating system seem to...
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