Math

StatisticsProbability and Statistics for Engineering and the SciencesThe accompanying data on cube compressive strength (MPa) of concrete specimens appeared in the article “Experimental Study of Recycled Rubber-Filled High-Strength Concrete” ( Magazine of Concrete Res ., 2009: 549–556): a. Is it plausible that the compressive strength for this type of concrete is normally distributed? b. Suppose the concrete will be used for a particular application unless there is strong evidence that true average strength is less than 100 MPa. Should the concrete be used? Carry out a test of appropriate hypotheses.BuyFind*launch*

9th Edition

Jay L. Devore

Publisher: Cengage Learning

ISBN: 9781305251809

Chapter 8.3, Problem 37E

Textbook Problem

The accompanying data on cube compressive strength (MPa) of concrete specimens appeared in the article **“Experimental Study of Recycled Rubber-Filled High-Strength Concrete” ( Magazine of Concrete Res., 2009: 549–556):**

**a.**Is it plausible that the compressive strength for this type of concrete is normally distributed?**b.**Suppose the concrete will be used for a particular application unless there is strong evidence that true average strength is less than 100 MPa. Should the concrete be used? Carry out a test of appropriate hypotheses.

Probability and Statistics for Engineering and the Sciences

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