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Crank
3 years ago
15

In the diagram below, \overline{XY}

Mathematics
1 answer:
Genrish500 [490]3 years ago
6 0

Answer:

\boxed{15}

Step-by-step explanation:

We can use the geometric mean theorem:

The altitude on the hypotenuse is the geometric mean of the two segments it creates.

In your triangle, the altitude is XY and the segments are VY and WY.

XY = \sqrt{VY \times WY} = \sqrt{ 3 \times 75} = \sqrt{225} = \mathbf{15}\\\text{The measure of XY is $\large \boxed{\mathbf{15}}$}

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Answer:

95% confidence interval for the population mean is 20.255 and 17.945

Step-by-step explanation:

given data

mean = 19.1

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to find out

95% confidence interval for the population mean

solution

we know 95% confidence interval formula i.e.

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here t for 9 students 2.31 ( from t table)

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= mean +/- t * standard deviation/\sqrt{n}

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3 years ago
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2 years ago
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3 years ago
Read 2 more answers
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Answer:

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2 years ago
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