Direction: Solve the given problem by applying the concept of comparing population proportion and sample proportion. (10) It is found out that 13% of students enrolled in College Algebra at a large university fail the first time they take it. A psychology professor claims that this could be reduced with a program of counselling, and so on. A random sample of 850 students enrolled in College Algebra take this program and 99 fail anyway. Is this a significant improvement at the 0.05 level? a. Ho: po Ha: po n = x= p = b. Type of Test: => CV = C. z= P-Po Po(1 - Po) n d. Decision: e. Conclusion