In 1997, a survey of 940 households showed that 144 of them use e-mail. Employ those sample results to test the claim that more than 15% of households use e-mail. Employ a 0.05 significance level. Use this information to answer the following questions.
The test statistic is z=______
(Round to two decimal places as needed.)
The P-value is_______
(Round to four decimal places as needed.)