A dressmaker obtained an average of 36" with a standard deviation of 2" in a random sample of 9 women's bust measurement

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answerhappygod
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A dressmaker obtained an average of 36" with a standard deviation of 2" in a random sample of 9 women's bust measurement

Post by answerhappygod »

A dressmaker obtained an average of 36" with a standard
deviation of 2" in a random sample of 9 women's bust measurements.
Assuming the bust measurements to be approximately Normally
distributed consturct a 99% confidence interval for the expected
value of the measurement.
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