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3 years ago

7

A woman starts out walking due north for 2 miles, and then she turns due west and continues for another 2 miles. How far from he

r starting point is she?

1 answer:

Svet_ta [14]3 years ago

4 0

2.8284271247 miles i used the pythagorean theorem to get the answer

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Standard Deviation, σ: 1.5
Count, N: 10
Sum, Σx: 15
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Variance, σ2: 2.25

Steps

σ2 =
Σ(xi - μ)2
N
=
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10
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