Mathematics, 19.12.2019 19:31 Duckkkkkkkk
An individual can take either a scenic route to work or a nonscenic route. she decides that use of the nonscenic route canbe justified only if it reduces the mean travel time by more than 10 minutes. a. if u 1 is the mean for the scenic route and u 2 for the nonscenic route. what hypotheses should be tested? b. if u 1 is the mean for the nonscenic route and u zfor the scenic route, what hypotheses should be tested?
Answers: 1
Mathematics, 21.06.2019 15:20
Asmall (but heavy) particle placed in a glass of water will follow a zigzag motion because the particle will bounce off of the water molecules it meets. this is called brownian motion. a physicist simulates this on a computer, by varying the distance a particle can travel (called the mean free length), on average, before it collides with a water molecule and assigning the change in motion to be one of 8 directions, each with a similar probability. by running the simulated particle (with the same mean free length) many times she determines that it should take 15 seconds, on average, for the particle to fall to the bottom, with a standard deviation of 1.5 seconds. next she lets a real particle fall through a glass of water and finds that it took 18 seconds. what does she conclude, and why?
Answers: 1
Mathematics, 21.06.2019 20:30
What is the difference between the equations of a vertical and a horizontal line?
Answers: 2
Mathematics, 21.06.2019 23:30
The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?
Answers: 1
Mathematics, 22.06.2019 00:30
You borrow $25,000 to buy a boat. the simple interest rate is 4%. you pay the loan off after 10 years. what is the total amount you paid for the loan?
Answers: 1
An individual can take either a scenic route to work or a nonscenic route. she decides that use of t...
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