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Giving a test to a group of students, the grades and gender are summarized below A...

Giving a test to a group of students, the grades and gender are summarized below

A B C Total
Male 4 9 17 30
Female 6 13 2 21
Total 10 22 19 51

Let p represent the population proportion of all female students who received a grade of B on this test. Use a 90% confidence interval to estimate p to four decimal places if possible.
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Math   Statistics-And-Probability   
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