Two professors at a local college developed a new teaching curriculum designed to increase​ students' grades in math classes. In a typical developmental math​ course, 57​% of the students complete the course with a letter grade of​ A, B, or C. In the experimental​ course, of the 17 students​ enrolled, 12 completed the course with a letter grade of​ A, B, or C. Is the experimental course effective at the α=0.05 level of​ significance?  Find p value

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