Question

In 2016, the Centers for Disease Control (CDC) reported that the teen birth Select one answer. rate in Georgia was 24.2%. The Atlanta City Council orders a study to see if the 10 points teen birth rate within the city of Atlanta is lower. https://www.cdc.gov/nchs/pressroom/sosmap/teen-births/teenbirths.htm Total Births per 1,000 Females Age 15-19 23225 Teen Birth Rate Suppose that a study of 1000 female teenagers in Atlanta found that 233 of them gave birth in 2016. Given that the population proportion is understood to be p=0.242, what would be the alternative hypothesis, H, for this study? A. B. C. D. Ha: p < 23.3% Ha: p < 24.2% Ha: P = 24.2% H:< 24.2% |

Answer 1

We need to test if population proportion is less than 0.242. Hence,

The alternative hypotheses will be:

Ha: p < 24.2%

Option B is correct.