Posted by **pokwang** on Sunday, September 18, 2011 at 12:09am.

A survey was conducted to determine the proportion of male and female

respondents who are in favor of a sales training program of a bottling

company. 120 out of 400 males and 130 out of 500 females are in favor of

the issue. Is there a significant difference in the proportion of males and

females who favor the issue? Use α = 0.10

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