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We wish to estimate the average cost of adding a standard-sized deck to a home using a 90% ...

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We wish to estimate the average cost of adding a standard-sized deck to a home using a 90% ...

We wish to estimate the average cost of adding a standard-sized deck to a home using a 90% confidence interval. If the results from similar previous studies indicate that the standard deviation of costs is $120, how many homes that have added decks should we sample to achieve a bound on the error of estimation of $50?

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Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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Ignesias

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More solutions for this book are available here

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onlineerica Author

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Thanks

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Thanks for your help!!

Marcie D

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Smart ... Thanks!

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