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

question 116

Multiple Choice

Find the value of the test statistic z using z $z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$
-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 = 575 drowning deaths of children with 30% of them attributable to beaches.

• A) 2.62
• B) -2.62
• C) -2.77
• D) 2.77

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Definitions:

Sensorimotor

Referring to the developmental stage in Piaget's theory of cognitive development, where infants learn through interacting with the world using their senses and motor abilities.

Egocentrism

A cognitive bias where individuals overemphasize their own point of view at the expense of others' perspectives.

Animism

The belief that objects, places, and creatures all possess a distinct spiritual essence.

Self-Centering

The tendency to consider one's own perspectives and needs before those of others.