The standard error of the mean is the standard deviation which is 6.50
Answer:
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Step-by-step explanation:
hahaha
Answer: 56
Step-by-step explanation:
Let's organise our information :
- the radius of the circle is r=14 cm
- we can get the area of the shaded by substracting the area of that triangle from that quarter
The area of the cercle's quarter area is :
The area of the triangle is :
NOw the area of the shaded segment :
I don't know how to solve 11 but I guess I can solve 12 so I think those are the answers:
12.
(4, 53)
(5, 85)