SOLUTION: Find the minimum sample size n needing to estimate u for the given values c=0.90 s=7.3 E=2 assume that a preliminary sample has at least 30 members

Question 1043560: Find the minimum sample size n needing to estimate u for the given values c=0.90 s=7.3 E=2 assume that a preliminary sample has at least 30 members
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the minimum sample size n needing to estimate u for the given values c=0.90 s=7.3 E=2 assume that a preliminary sample has at least 30 members
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n = [z*s/E]^2
n = [1.645*7.3/2]^2 = 36 or 37 if you round up
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Cheers,
Stan H.
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