Please find the z score for this problem

In 1990 a national vital statistics report indicated that about 2.5% of all births produced twins. Is the rate of twin births the same among very young mothers? Data from a large city hospital found only 7 sets of twins were born to 451 teenage girls. Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satised before you proceed. Are the assumptions and the conditions to perform a one-proportion z-test met? s" Yes No State the null and altemative hypotheses. Choose the correct answer below. A. Ho: p = 0.025 HA: p 0.025 .V C. Ho: p = 0.025 HA: p $9 0.025 D. The assumptions and conditions are not met, so the test cannot proceed. Determine the z-test statistic. Select the correct choice below and, if necessary, ll in the answer box to complete your choice. O A- z = (Round to two decimal places as needed.) O B. The assumptions and conditions are not met, so the test cannot proceed