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Exhibit 12-4 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 stude were in the Education College. To see whether the proportions have changed, a random sample of 300 students from ABC University was selected. Ninety 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 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals O a. 1.645 Ob. 19.6 O c. 5.99 O d. 7.80

Exhibit 12-4 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 stude were in the Education College. To see whether the proportions have changed, a random sample of 300 students from ABC University was selected. Ninety 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 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals O a. 1.645 Ob. 19.6 O c. 5.99 O d. 7.80

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Exhibit 12-4 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 stude were in the Education College. To see whether the proportions have changed, a random sample of 300 students from ABC University was selected. Ninety 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 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals O a. 1.645 Ob. 19.6 O c.5.99 O d. 7.80
Transcribed Image Text:Exhibit 12-4 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 stude were in the Education College. To see whether the proportions have changed, a random sample of 300 students from ABC University was selected. Ninety 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 12-4. The hypothesis is to be tested at the 5% level of significance. The critical value from the table equals O a. 1.645 Ob. 19.6 O c.5.99 O d. 7.80
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