Question

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.
< p <

Answer 1

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