Giving a test to a group of students, the grades and gender are summarized below   A B C Total Male 20 11 17 48 Female 14 12 4 30 Total 34 23 21 78 Let p represent the population proportion of all male students who received a grade of A on this test. Use a 85% confidence interval to estimate p to four decimal places if possible.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Giving a test to a group of students, the grades and gender are summarized below

  A B C Total
Male 20 11 17 48
Female 14 12 4 30
Total 34 23 21 78

Let p represent the population proportion of all male students who received a grade of A on this test. Use a 85% confidence interval to estimate p to four decimal places if possible.

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