SOLUTION: The mean preparation time for recipes in a cookbook is 47 min with a standard deviation of 3 min. A random sample of 30 recipes is taken.
What is the approximate standard devia
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Question 900455: The mean preparation time for recipes in a cookbook is 47 min with a standard deviation of 3 min. A random sample of 30 recipes is taken.
What is the approximate standard deviation in a sampling distribution of this size?
Round to the nearest thousandth.
_________ min
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
mean is 47 min with a standard deviation of 3 min.
Sample of 20: s = 3min/√20 = 4.472 (nearest thousandth)
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