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

question 60

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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Definitions:

Cooperation

involves individuals or groups working together towards a common goal, often characterized by mutual benefits and shared responsibilities.

Negative Reciprocity

A social interaction where an action that has a negative effect is reciprocated with an action that is equally negative.

Frustration

The feeling of distress or annoyance resulting from the inability to achieve one's goals or satisfy one's needs.

Aggression

A variety of actions that may cause physical or psychological damage to the individual, other people, or items in their surroundings.