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nata0808 [166]
2 years ago
5

I NEED HELP PLEASE, THANKS!

Mathematics
1 answer:
Finger [1]2 years ago
3 0

Answer:

the 3rd option is the answer

Step-by-step explanation:

I hope the attached file is self-explanatory

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Given value:

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The formula for z-score:

\to x = z \times  \sigma + \mu \\\\\to x = 0.84 \times 80 + 711 \\\\ \to x=67.2 +711\\\\ \to x=  778.2\\\\ \to x= 778

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Step-by-step explanation:

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