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