Determine the value of test statistic z

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Reference no: EM13110654

Determine the value of test statistic z using z = ^p-P ^pq/n. Claim is that proportion of drowning deaths of children attributable to beaches is more than 0.25, and sample statistics include n = 681 drowning deaths of children with 30% of them attributable to beaches.

Reference no: EM13110654

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