a 2004 survey of 1200 undergraduate students throughout the United States, 89% of the respondents said they owned a cell phone. In comparison, in 2003 it was reported that cell phone ownership by undergraduate students was 83%. Do the sample data in 2004 give good evidence that this percent has increased?

Carry out the significance test. Report the test statistic and the P-value.
Choose the correct answer; ( is the test statistic- rounded to two decimal places and is the -value - rounded to five decimal places):

Question

a 2004 survey of 1200 undergraduate students throughout the United States, 89% of the respondents said they owned a cell phone. In comparison, in 2003 it was reported that cell phone ownership by undergraduate students was 83%. Do the sample data in 2004 give good evidence that this percent has increased?

Carry out the significance test. Report the test statistic and the P-value.
Choose the correct answer; ( is the test statistic- rounded to two decimal places and  is the -value - rounded to five decimal places):