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Ivan
1 year ago
10

Find the volume of each figure

Mathematics
1 answer:
Lorico [155]1 year ago
7 0

Answer:

144km^3

Step-by-step explanation:

V = (6)(6)(4)\\= 144 km^3

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You have been assigned to determine whether more people prefer Coke or Pepsi. Assume that roughly half the population prefers Co
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Answer:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

Step-by-step explanation:

For this case we have the following info given:

ME=0.03 the margin of error desired

Conf= 0.95 the level of confidence given

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

the critical value for 95% of confidence is z=1.96

We can use as estimator for the population of interest \hat p=0.5. And on this case we have that ME =\pm 0.03 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

And replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11  

And rounded up we have that n=1068

3 0
3 years ago
Attachment Below Thanks
Viktor [21]

Answer:

Desmond's spinner.

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Given the formula y = -1/2x - 4, what is the slope and y-intercept of the graph? PLEASE HELP!​
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2 years ago
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