jennamae7368 jennamae7368

01-02-2022
Mathematics

contestada

how to find sample size with unknown standard deviation

Respuesta :

neeyusha55 neeyusha55

01-02-2022

Answer:

za/2: Divide the confidence level by two, and look that area up in the z-table: .95 / 2 = 0.475. ...

E (margin of error): Divide the given width by 2. 6% / 2. ...

: use the given percentage. 41% = 0.41. ...

: subtract. from 1.

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