A statistics teacher predicts that the distribution of grades on the final exam will be 25% A's, 30% B's, 35% C's, and 10% D's. The actual distribution of grades on the final exam for 20 students is as follows. Using a 0.05 level of significance, is the statistics teacher's prediction correct?

Grade	Number of Students
A	7
B	7
C	5
D	1

• Which test are you running?
• What is the null hypothesis?
• What is the alternative hypothesis?
• What is the test statistic? Round the answer to two decimal places.
• What is the p-value? Round the answer to three decimal places.
• What is the conclusion when you compare the p-value and the level of significance (alpha)?
• What is the conclusion based on the original claim?