If you wish to estimate a population mean with a margin of error ME=0.24 using a...

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If you wish to estimate a population mean with a margin of error ME=0.24 using a...

If you wish to estimate a population mean with a margin of error ME=0.24 using a 95% confidence interval and you know from prior sampling that sigma squaredσ2 is approximately equal to 4.84, how many observations would have to be included in your sample?

The number of observations that would have to be included in your sample is (_______)

(Round up to the nearest observation.)

math Statistics-And-Probability

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Answer 1

Answer #1

ME=0.24, σ2-4.84, za/2=1.96 戏 (ME)2 (1.96)2 (4.84) (0.24)2 戏 18.593344 0.0576 n=322.8011 n 323 The number of observations that would have to be included in your sample is 323

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