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Statistics: Random sample of adults from USA and Germany who support death penalty

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In an opinion survey, a random sample of 1000 adults from the U.S.A and 1000 adults from Germany were asked whether they supported the death penalty. 590 American adults and 560 German adults indicated that they supported the death penalty.

The researcher wants to know if there is sufficient evidence to conclude that the proportion of adults who support the death penalty is higher in the U.S.A. than in Germany. What is the decision at a =.05 and 0.10.

Explain briefly how you have arrived at your conclusion.

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Solution Summary

The solution provides a step by step method for the calculation of testing of hypothesis. Formulae for the calculation and interpretations of the results are also included. An interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

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