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

question 2

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) \(3.05\)
• B) \(- 3.05\)
• C) \(- 2.88\)
• D) \(2.88\)

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