7. Calcium The calcium (Ca) content of a powdered mineral substance was analyzed 10 times with the...
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7. Calcium The calcium (Ca) content of a powdered mineral substance was analyzed 10 times with the following percent compositions recorded:
a. Find a 99% confidence interval for the true calcium content of this substance.
b. What does the phrase “99% confident” mean?
c. What assumptions must you make about the sampling procedure so that this confidence interval will be valid? What does this mean to the chemist who is performing the analysis?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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