Homework Help: statistics

Posted by Ali on Friday, June 3, 2011 at 5:35pm.

A certain geneticist is interested in the proportion of males and females in the population that have a certain minor blood disorder. In a random sample of 1500 males, 75 are found to have disorder, whereas 80 of 2000 females appear to have disorder. Find a 90% confidence intervals for the difference between the proportions of males and females that have blood disorder. Also test the hypotheses claims that the proportion of males who have blood disorder is more than the proportion of females at the 0.1 level of significance.

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