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Margarita [4]
3 years ago
9

anne has $28.90 more savings than beatrice. 3/5 of beatrice's savings is the same as 1/2 of anne's savings. how much does anne h

ave in savings?
Mathematics
1 answer:
ExtremeBDS [4]3 years ago
4 0
A=b+28.90
3b/5=a/2
3b/5=(b+28.90)/2
3b/5=b/2+14.45
b/10=14.45
b=144.5
a=144.5+28.90
a=173.4
Anne has $173.40
Beatrice has $144.50
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Tresset [83]

Using the normal distribution, it is found that the correct option is:

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In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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In this problem:

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Then:

Z = \frac{X - \mu}{\sigma}

Z = \frac{117 - 100}{17}

Z = 1

Hence, the option d is correct.

To learn more about the normal distribution, you can check brainly.com/question/24663213

7 0
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Answer:

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Step-by-step explanation:

Hope this helps

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