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Test Statistic: Population Proportion

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A claim was made that the proportion of drowning deaths in children attributable to beaches is more than 0.25 and the sample statistics include n=615 drowning deaths of children with 30% attributable to beaches. What is the value of the test statistic z?

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Solution Summary

The solution provides step by step method for the calculation of test statistic for population proportion. Formula for the calculation is also included.

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Test statistic z
A claim made that the proportion of drowning ...

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