Answer: z=-1.00
Step-by-step explanation:
Given : Population mean :
Sample size : n=120 ;
Sample mean: ;
Standard deviation:
Test statistic for population mean:
Hence, the value of the test statistic : z=-1.00
If you plug in some values for x, you can graph it on the plane.
When x = 0.
When x = 1
When x = 4
Now plot the points and draw a graph through the points.
So, the last option is the answer.
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Answer:
I'm uploading a picture. Hope this helps.
Step-by-step explanation:
Answer:
24 degrees
Step-by-step explanation: