The height of pyramids in Egypt is normally distributed. A sample of 125 pyramids had a mean height of 460.7 ft and a standard deviation of 4.1 feet. With 80% confidence, what is the maximum error of estimate for the actual population mean for the height of Egyptian pyramids?

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Chapter1: Combinatorial Analysis
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The height of pyramids in Egypt is normally distributed. A sample of 125 pyramids had a
mean height of 460.7 ft and a standard deviation of 4.1 feet. With 80% confidence, what is
the maximum error of estimate for the actual population mean for the height of Egyptian
pyramids?
Transcribed Image Text:The height of pyramids in Egypt is normally distributed. A sample of 125 pyramids had a mean height of 460.7 ft and a standard deviation of 4.1 feet. With 80% confidence, what is the maximum error of estimate for the actual population mean for the height of Egyptian pyramids?
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