SOLUTION: You plan to estimate the mean incubation period (in days) for sea birds. How many incubation periods of sea birds must you sample if you want to be 95% confident that the sample

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Question 272206: You plan to estimate the mean incubation period (in days)
for sea birds. How many incubation periods of sea birds must you sample
if you want to be 95% confident that the sample mean is within 3 days
of the true population mean? You can assume that the standard deviation
of incubation periods is 6 days?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many incubation periods of sea birds must you sample
if you want to be 95% confident that the sample mean is within 3 days
of the true population mean? You can assume that the standard deviation
of incubation periods is 6 days?
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n = [z*s/E]^2
---
n = [1.96*6/3]^2
---
n = 15.36
Round Up
n = 16
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Cheers,
Stan H.