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) 3.05
C) -3.05
D) -2.88

Question

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)  3.05 
C)  -3.05 
D)  -2.88

Quizplus · Accepted Answer

The Answer of 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)  3.05 
C)  -3.05 
D)  -2.88

Find the Value of the Test Statistic Z Using z=p^−ppqnz = \frac { \hat { p } - p } { \sqrt { \frac { p q } { n } } }z=npq​​p^​−p​

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