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Mathematics, 07.06.2020 02:58 lucifer6669

Giraffes have excellent vision. Refer to the African Zoology (Oct. 2013) study of a giraffe’s eyesight. Recall that the researchers measured the eye mass for a sample of 27 giraffes native to Zimbabwe, Africa, and found x = 53.4 grams and s = 8.6 grams. Suppose the objective is to sample enough giraffes in order to obtain an estimate of the mean eye mass to within 3 grams of its true value with a 99% confidence interval. A. Identify the cofidence coefficient for this study. B. Identify the desired sampling error for this study. C. Fnd the sample size required to obtain the desired estimate of the true mean.

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Giraffes have excellent vision. Refer to the African Zoology (Oct. 2013) study of a giraffe’s eyesig...

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