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Tom [10]
2 years ago
10

I need help with this!

Mathematics
1 answer:
AleksAgata [21]2 years ago
5 0

9514 1404 393

Answer:

  64.6

Step-by-step explanation:

One standard deviation is 4.3. Then +2 standard deviations is ...

  (+2)(4.3) = +8.6

This amount added to the mean gives ...

  56 +8.6 = 64.6 . . . . +2σ from the mean

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