Homework Help: statistics

Posted by John on Sunday, November 4, 2012 at 2:17pm.

A random sample of 250 men yielded 175 who said they'd ridden a motorcycle at some time in their lives, while a similar sample of 215 women yielded only 43 that had done so. Find a 99% confidence interval for the difference between the proportions of men and women who have ridden motorcycles.

.4688 ą .085

.5 ą .112

.5 ą .103

.5 ą .085

.5 ą .078

statistics - MathGuru, Monday, November 5, 2012 at 7:42pm
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