SOLUTION: A biologist has found the average weight of 12 randomly selected mud turtles to be 8.7 lb with standard deviation 3.6 lb. Find a 90% confidence interval for the population mean we

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Question 129838: A biologist has found the average weight of 12 randomly selected mud turtles to be 8.7 lb with standard deviation 3.6 lb. Find a 90% confidence interval for the population mean weight of all such turtles.
Answer by stanbon(48569) About Me  (Show Source):
You can put this solution on YOUR website!
A biologist has found the average weight of 12 randomly selected mud turtles to be 8.7 lb with standard deviation 3.6 lb. Find a 90% confidence interval for the population mean weight of all such turtles.
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E = 1.645*3.6/sqrt(12) = 1.5829....
C.I. = (8.7-1.5829, 8.7+1.5829)
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Cheers,
Stan H.