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0.01 rejecting the null hypoth 3. (20 pts) A machine fills bottles with 64 fluid ounces...
please and thanks :)) A machine fills bottles with 48 fluid ounces of liquid. The quality-control...
please and thanks :))
A machine fills bottles with 48 fluid ounces of liquid. The quality-control manager determines that the fill levels are normally distributed with a mean of 48 ounces and a standard deviation of 0.38 ounces. He has an engineer recalibrate the machine in an attempt to lower the standard deviation. After the recalibration, the quality control manager randomly selects 19 bottles from the line and determines that the standard deviation is 0.34 ounces. Using a level of...
these were answered incorrectly before.. Question 11 4 pts Determine the critical value xî and xỉ,...
these were answered incorrectly before..
Question 11 4 pts Determine the critical value xî and xỉ, for the 90% level of confidence with n = 41. xź = xz = Question 16 4 pts State the critical value for the following test: Ho: p=0.37 n=250, a = 0.05 H:p<0.37 Answer to three decimal places: Question 24 4 pts State the null and alternate hypothesis, state the critical value and test statistic, make your decision and write the sentence. OR State...
A machine at Ken's Ketchup Corporation fills 20-ounce ketchup bottles. The machine can be adjusted to...
A machine at Ken's Ketchup Corporation fills 20-ounce ketchup bottles. The machine can be adjusted to pour, on average, any amount of ketchup into these bottles. However, the machine does not pour exactly the same amount of ketchup into each bottle. It varies from bottle to bottle. It is known that the net amount of ketchup poured into each jug has a normal distribution with a standard deviation of 0.25 ounce. The quality control inspector wants to adjust the machine...
A soft drink vending machine, when in perfect adjustment, fills bottles with 12 ounces of soft...
A soft drink vending machine, when in perfect adjustment, fills bottles with 12 ounces of soft drink. A random sample of 25 bottles is selected, and the contents are measured. The sample yielded a mean content of 11.88 ounces, with a sample standard deviation of 0.24 ounce. With a .05 level of significance, test to see if the machine is in perfect adjustment. Assume the distribution of the population is normal. Group of answer choices t = -2.5; therefore, reject...
A quality-control engineer wants to find out whether or not a new machine that fills bottles...
A quality-control engineer wants to find out whether or not a new machine that fills bottles with liquid has less variability than the machine currently in use. The engineer calibrates each machine to fill bottles with 16 ounces of a liquid. After running each machine for 5 hours, she randomly selects 15 filled bottles from each machine and measures the volume of their contents (in ounces). The resulting data is provided in the table below. Is the variability in the...
please and thanks :))
A machine fills bottles with 48 fluid ounces of liquid. The quality-control manager determines that the fill levels are normally distributed with a mean of 48 ounces and a standard deviation of 0.38 ounces. He has an engineer recalibrate the machine in an attempt to lower the standard deviation. After the recalibration, the quality control manager randomly selects 19 bottles from the line and determines that the standard deviation is 0.34 ounces. Using a level of...
these were answered incorrectly before..
Question 11 4 pts Determine the critical value xî and xỉ, for the 90% level of confidence with n = 41. xź = xz = Question 16 4 pts State the critical value for the following test: Ho: p=0.37 n=250, a = 0.05 H:p<0.37 Answer to three decimal places: Question 24 4 pts State the null and alternate hypothesis, state the critical value and test statistic, make your decision and write the sentence. OR State...
A machine at Ken's Ketchup Corporation fills 20-ounce ketchup bottles. The machine can be adjusted to pour, on average, any amount of ketchup into these bottles. However, the machine does not pour exactly the same amount of ketchup into each bottle. It varies from bottle to bottle. It is known that the net amount of ketchup poured into each jug has a normal distribution with a standard deviation of 0.25 ounce. The quality control inspector wants to adjust the machine...
A quality-control engineer wants to find out whether or not a new machine that fills bottles with liquid has less variability than the machine currently in use. The engineer calibrates each machine to fill bottles with 16 ounces of a liquid. After running each machine for 5 hours, she randomly selects 15 filled bottles from each machine and measures the volume of their contents (in ounces). The resulting data is provided in the table below. Is the variability in the...
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