In 2000 a national vital statistics report indicated that about 2.9% 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 11 sets of twins were born to 453 teenage girls. Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satisfied before you proceed.

a)Determine the z-test statistic

b)Find the P-value.

c)What is your conclusion? Choose the correct answer below.

A. Reject H0. The proportion of twin births for teenage mothers is greater than the proportion of twin births for all mothers.

B. Failtoreject H0. The proportion of twin births for teenage mothers isnot different from the proportion of twin births for all mothers.

C.

Reject H0. The proportion of twin births for teenage mothers is different from the proportion of twin births for all mothers.

D.

The assumptions and conditions are not met, so the test cannot proceed.