hendrson1865 hendrson1865
  • 19-07-2021
  • Mathematics
contestada

Find the minimum sample size needed to be 99% confident that the sample's variance is within 30% of the population's variance.

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okpalawalter8
okpalawalter8 okpalawalter8
  • 23-07-2021

The Minimum sample size table is attached below

Answer:

[tex]X=173[/tex]

Step-by-step explanation:

From the question we are told that:

Confidence Interval [tex]CI=99\%[/tex]

Variance [tex]\sigma^2=30\%[/tex]

Generally going through the table the

Minimum sample size is

[tex]X=173[/tex]

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