Question

A.

A test was given to a group of students. The grades and gender are summarized below:

	A	B	C	Total
Male	17	16	7	40
Female	4	3	12	19
Total	21	19	19	59

Let p represent the percentage of all female students who would receive a grade of C on this test. Use a 85% confidence interval to estimate p to three decimal places.

Enter your answer using decimals (not percents).

B. You are performing a left-tailed t - test with test statistic t=−0.23 and a sample of size 33, find the p-value to 4 decimal places

C. You are performing a two-tailed test.

If α=.005, find the positive critical value, to three decimal places.

Answer 1