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

question 45

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 $\mathrm { n } = 696$ drowning deaths of children with $30 \%$ of them attributable to beaches.

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

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Definitions:

Uninsured Workers

Workers who do not have insurance coverage, particularly health insurance, provided by their employer or have not purchased it privately.

GDP Spent

The portion of the Gross Domestic Product that is used for expenditure, including consumption, investment, government spending, and net exports.

Health Care

A broad term encompassing all services, systems, or products related to maintaining or improving an individual’s health, including prevention, diagnosis, treatment, and recovery.