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27-10-2020
Mathematics

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About 12% of children are nearsighted. A school district will be testing the vision of 170
incoming kindergarten children.
What proportion of these kids should we expect to be nearsighted (p-hat)?

Respuesta :

rosevardales rosevardales

27-10-2020

Answer:

about 21 kids out of 170 are expected to be nearsighted (20:170)

Step-by-step explanation:

we find 12% out of 70 by muliplying 170 x 0.12 which equals 20.4

However it has to round up because we cant have half a child so 21 children.

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