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 $z = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }$
A claim is made that the proportion of children who play sports is less than 0.5 , and the sample statistics include n=1320 subjects with 30 % saying that they play a sport.

A) 14.53
B) 29.66
C) -29.66
D) -14.53