NOTE: ANSWERS MUST BE DIGITALIZED NOT HANDWRITTEN BECAUSE I AM HAVING A HARD TIME SEEING MESSY HANDWRITING

Direction: Solve the following problem below. SHOW THE COMPLETE SOLUTION.

Scenario 3: The percentage of A's given in a physics course at a university over a long period of time was 10%. During one particular term there were 40 A's in a group of 300 students. Test if the percentage of students who got A's in the course is signicantly greater than the previous years' result at 1% level of signicance. (5 points) 1. Test the hypothesis in the given situation. 2. Follow the steps in hypothesis testing and draw a conclusion. 3. Write the null and alternative hypothesis in sentence form and in symbols. 4. Shade the rejection region in the normal curve. 5. Write the conclusion in statement form