Question

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, 56​% of the students complete the course with a letter grade of​ A, B, or C. In the experimental​ course, of the 14 students​ enrolled, 10 completed the course with a letter grade of​ A, B, or C. Is the experimental course effective at the α=0.1 level of​ significance? Please answer the blank space.

Use the normal model to obtain and interpret the​ P-value. State your conclusion to the hypothesis test.

First find the test​ statistic, z0.

z0 =___________

​(Round to two decimal places as​ needed.)

Answer 1