sheet metal manufacturer is making 10-gauge eet metal, which is supposed to be 3.416 mm ick. One of the pieces of manufacturing equipment as suspected of malfunctioning and resulting in eet metal that is too thin (less than 3.416 mm). So e manufacturer selected a random sample of 100 eces of steel.measured the thickness of each ece, and calculated the mean thickness of the eel pieces in his sample. a. Which of the following is the Null Hypothesis Họ stated in words? Ho: The average steel thickness is different from 3.416 mm. The equipment is not making the sheet metal the correct thickness. Ho: The average steel thickness is less than 3.416 mm. The equipment is making the sheet metal too thin. Ho: The average steel thickness is 3.416 mm (or more). The equipment is working properly and not making the sheet metal too thin. )Ho: The average steel thickness is greater than 3.416 mm. The equipment is making the sheet metal too thick.

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sheet metal manufacturer is making 10-gauge
eet metal, which is supposed to be 3.416 mm
nick. One of the pieces of manufacturing equipment
as suspected of malfunctioning and resulting in
eet metal that is too thin (less than 3.416 mm). So
e manufacturer selected a random sample of 100
ieces of steel.measured the thickness of each
iece, and calculated the mean thickness of the
ceel pieces in his sample.
a. Which of the following is the Null Hypothesis
Ho stated in words?
Họ: The average steel thickness is
different from 3.416 mm. The
equipment is not making the sheet
metal the correct thickness.
| Họ: The average steel thickness is less
than 3.416 mm. The equipment is
making the sheet metal too thin.
| Họ: The average steel thickness is 3.416
mm (or more). The equipment is
working properly and not making the
sheet metal too thin.
Ho: The average steel thickness is
greater than 3.416 mm. The equipment
is making the sheet metal too thick.
b. Which of the following is the Alternative
Hypothesis HA stated in words?
HA: The average steel thickness is 3.416
mm (or more). The equipment is
working properly and not making the
sheet metal too thin.
HA: The average steel thickness is less
than 3.416 mm. The equipment is
making the sheet metal too thin.
HẠ: The average steel thickness is
greater than 3.416 mm. The equipment
is making the sheet metal too thick.
U HA: The average steel thickness is
different from 3.416 mm. The
equipment is not making the sheet
metal the correct thickness.
Transcribed Image Text:sheet metal manufacturer is making 10-gauge eet metal, which is supposed to be 3.416 mm nick. One of the pieces of manufacturing equipment as suspected of malfunctioning and resulting in eet metal that is too thin (less than 3.416 mm). So e manufacturer selected a random sample of 100 ieces of steel.measured the thickness of each iece, and calculated the mean thickness of the ceel pieces in his sample. a. Which of the following is the Null Hypothesis Ho stated in words? Họ: The average steel thickness is different from 3.416 mm. The equipment is not making the sheet metal the correct thickness. | Họ: The average steel thickness is less than 3.416 mm. The equipment is making the sheet metal too thin. | Họ: The average steel thickness is 3.416 mm (or more). The equipment is working properly and not making the sheet metal too thin. Ho: The average steel thickness is greater than 3.416 mm. The equipment is making the sheet metal too thick. b. Which of the following is the Alternative Hypothesis HA stated in words? HA: The average steel thickness is 3.416 mm (or more). The equipment is working properly and not making the sheet metal too thin. HA: The average steel thickness is less than 3.416 mm. The equipment is making the sheet metal too thin. HẠ: The average steel thickness is greater than 3.416 mm. The equipment is making the sheet metal too thick. U HA: The average steel thickness is different from 3.416 mm. The equipment is not making the sheet metal the correct thickness.
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