3.  A claim is made that the proportion of children who play sports is less than 0.5, and the sample statistics include n = 1158 subjects with 30% saying that they play a sport.  Find the value of then test statistic, z.  Use the formula :                                                         z = (p^−p)                                                                   /                                                                pq/                                                                  n

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3.  A claim is made that the proportion of children who play sports is less than 0.5, and the sample statistics include n = 1158 subjects with 30% saying that they play a sport.  Find the value of then test statistic, z.  Use the formula :

                                                        z = (p^−p)

                                                                  /

                                                               pq/

                                                                 n

 
 
 
 
 
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