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Alexus [3.1K]
3 years ago
11

He is 15 years old this is 6 years younger than his sister Victoria write and solve a subtraction equation to find Victorious ag

e
Mathematics
2 answers:
Vedmedyk [2.9K]3 years ago
8 0
15+6=21
Victoria's age=21
jarptica [38.1K]3 years ago
7 0
First you Add 15+6. That equals 21. Afterwards you Subtract: 21-6 which equals = 15
15 + 6 = 21
21 - 6 = 15

And that is how you calculate it. Simple
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Answer:

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Step-by-step explanation:

Using the Empirical rule

1) 68% of data falls within 1 standard deviation from the mean - that means between μ - σ and μ + σ .

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3)99.7% of data falls within 3 standard deviations from the mean - between μ - 3σ and μ + 3σ .

From the above question,

Mean = 349 , standard deviation = 24.

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Using 2)95% of data falls within 2 standard deviations from the mean - between μ – 2σ and μ + 2σ .

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