Chapter 12 Solutions

2 c for 010 the critical value is z 128

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Unformatted text preview: 40*(0.3) = 12; n*(1-p0) = 40*(1 - 0.30) = 28 Since both are at least 5, we can employ Procedure 12.2 c. √ ( )⁄ For α = 0.10, the critical value is -zα - -1.28. Since -1.38 < -1.28, reject H0. 12.78 a. Attending church at least once a week b. Children in the U.S. and children in Germany c. The two population proportions under consideration are the proportion of children in the U.S. who attend church at least once a week and the proportion of children in Germany who attend church at least o...
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This document was uploaded on 02/06/2014.

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