The current mean time for a production process is μ = 100 minutes. An engineer has developed a new method for completing the process that they want to show reduces the mean time for the production process i.e. Ho: = 100 H₁: < 100 Suppose that the engineer collects data and analysis leads to rejection of the null hypothesis. What type of decision has been made if in reality the actual mean process time has decreased? O Type-ll error O Type-l error O Correct Decision
The current mean time for a production process is μ = 100 minutes. An engineer has developed a new method for completing the process that they want to show reduces the mean time for the production process i.e. Ho: = 100 H₁: < 100 Suppose that the engineer collects data and analysis leads to rejection of the null hypothesis. What type of decision has been made if in reality the actual mean process time has decreased? O Type-ll error O Type-l error O Correct Decision
A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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![The current mean time for a production process is μ = 100 minutes. An engineer has developed a new method for completing the process
that they want to show reduces the mean time for the production process i.e.
Ho: = 100
H₁:
< 100
Suppose that the engineer collects data and analysis leads to rejection of the null hypothesis. What type of decision has been made if in
reality the actual mean process time has decreased?
O Type-ll error
O Type-l error
O Correct Decision](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff8b48535-184f-4977-af2d-d816dbce40fd%2Ff4a09c29-4c47-4653-a6b9-be8c46ab113c%2F91sluua_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The current mean time for a production process is μ = 100 minutes. An engineer has developed a new method for completing the process
that they want to show reduces the mean time for the production process i.e.
Ho: = 100
H₁:
< 100
Suppose that the engineer collects data and analysis leads to rejection of the null hypothesis. What type of decision has been made if in
reality the actual mean process time has decreased?
O Type-ll error
O Type-l error
O Correct Decision
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
Step 1
Type 1 error :
If null hypothesis rejected if it is true.
Type 2 error :
If null hypothesis accepted if it is false.
According to question,
Null hypothesis:
Mean=100 ( not decreased)
Alternative hypothesis:
Mean<100 (decreased)
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