Exhibit 11-7
In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have changed, a sample of 300 students was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
-Refer to Exhibit 11-7. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals

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The Answer of Exhibit 11-7
In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To see whether or not the proportions have changed, a sample of 300 students was taken. Ninety of the sample students are in the Business College, 120 are in the Liberal Arts College, and 90 are in the Education College.
-Refer to Exhibit 11-7. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals

Exhibit 11-7 In the Past, 35% of the Students at ABC University