Question

In 1996​, a reproductive clinic reported 41 live births to 162 women under the age of​...

In 1996​, a reproductive clinic reported 41 live births to 162 women under the age of​ 38, but only 6 live births for 76 clients aged 38 and older. Is there evidence of a difference in the effectiveness of the​ clinic's methods for older​ women?

​a) Test an appropriate hypothesis and state your conclusion.​ (Use the pooled sample proportion when checking the​ success/failure condition.) ​(Round to two decimal places as​ needed.)

Z =

P =

​b) If you concluded there was a​ difference, estimate that difference with a 99​% confidence interval and interpret your interval in context.

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