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Answer: 116.12
Explanation:
13 x 7 = 91
13 - 5 = 8
8 / 2 = 4
3.14(4)^2 = 50.24
50.24 / 2 = 25.12
91 + 25.12 = 116.12
I hope this helped!
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- Zack Slocum
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Answer:
And the 95% confidence interval would be given (0.107;0.227).
Step-by-step explanation:
Information given
number of trees with signs of disease
the sample selected
the proportion of trees with signs of disease
The confidence interval for the true proportion would be given by this formula
For the 95% confidence interval the significance is 
and 
, and the critical value would be
And replacing we got:
And the 95% confidence interval would be given (0.107;0.227).
First we need to isolate the y in the equation
-4y=16-2x (subtract the 2x)
4y=2x-16 (divide both sides by -1)
y=1/2x-4 (divide both sides by 4)
The we know the slope of this line is 1/2. I'm not sure what the choices are, but the answer would have to have a slope of 1/2. For example, y=1/2x+2 might be an answer.
Hope this helps
