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A statistics teacher predicts that the distribution of grades on the test will be 25% A's, 30% B's, 35% C's, and 10% D's. The actual distribution of grades on the test for 20 students is as follows. Using a 0.05 level of significance, is the statistics teacher's prediction correct? What is the test statistic? Round the answer to two decimal places. What is the p-value? Round the answer to three decimal places. Grade Number of Students A 7 B 7 C 5 D 1.

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A statistics teacher predicts that the distribution of grades on the test will be 25% A's, 30% B's, 35% C's, and 10% D's. The actual distribution of grades on the test for 20 students is as follows. Using a 0.05 level of significance, is the statistics teacher's prediction correct? What is the test statistic? Round the answer to two decimal places. What is the p-value? Round the answer to three decimal places. Grade Number of Students A 7 B 7 C 5 D 1

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  • 1. A statistics teacher predicts that the distribution of grades on the test will be 25% A's, 30% B's, 35% C's, and 10% D's. The actual distribution of grades on the test for 20 students is as follows. Using a 0.05 level of significance, is the statistics teacher's prediction correct? What is the test statistic? Round the answer to two decimal places. What is the p-value? Round the answer to three decimal places. Grade Number of Students A 7 B 7 C 5 D 1