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

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