Mathematics, 13.12.2019 03:31 FinnaCryDotJpeg
State the conclusion based on the results of the test. the standard deviationstandard deviation inin the pressure required to open a certain valve is known to be sigma equals 1.3 psi.σ=1.3 psi. due to changes in the manufacturing process, the quality-control manager feels that the pressurepressure variabilityvariability has changedchanged. the null hypothesis was rejected. choose the correct answer below. a. there is not sufficient evidence that the mean of the pressure required to open a certain valve has not changed. b. there is sufficient evidence that the mean of the pressure required to open a certain valve has changed. c. the mean of the pressure has not changed. d. the mean of the pressure has changed. e. there is sufficient evidence that the mean of the pressure required to open a certain valve has not changed. f. there is not sufficient evidence that the mean of the pressure required to open a certain valve has changed.
Answers: 3
Mathematics, 21.06.2019 22:30
The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction
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Mathematics, 22.06.2019 03:30
Captain umaima has a ship, the h.m.s. khan. the ship is two furlongs from the dread pirate nadia and her merciless band of thieves. the captain has probability 3/7 of hitting the pirate ship. the pirate only has one good eye, so she hits the captain's ship with probability 2/5. if both fire their cannons at the same time, what is the probability that the captain hits the pirate ship, but the pirate misses.
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Mathematics, 22.06.2019 06:00
Evaluate f(x) when x= -9. f(x)= 16x® + 2 6 12 if 9 < x < 13 no solution 488 12
Answers: 1
State the conclusion based on the results of the test. the standard deviationstandard deviation inin...
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