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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Full Potential

The maximum level of development or achievement one can realistically attain, often regarding personal skills, talents, or abilities.

Multicultural

Pertaining to, or representing several different cultures or cultural elements, often emphasizing the importance of diversity and inclusivity in society.

Immigration Trends

Patterns or movements of people relocating from one country to another, often analyzed for their causes, effects, and characteristics.

Birth Rates

The number of live births per thousand of population per year, a key demographic indicator often used to assess population growth or decline.