Find the Value of the Test Statistic Z Using $$z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$$

question 67

Multiple Choice

Find the value of the test statistic z using $$z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$$ The claim is that the proportion of drowning deaths of children attributable to beaches is more than 0.25, and the sample statistics include n = 696 drowning deaths of children with 30% of them attributable to beaches.

• A) 2.88
• B) -2.88
• C) 3.05
• D) -3.05

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Definitions:

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The person or group within an organization responsible for allocating resources and assessing performance of segments, often a top executive like the CEO or COO.

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