4. As noted in U.5. Senate Resolution 28.9.3% of Americans speak their native language and another language fluently (So
Posted: Wed May 11, 2022 5:18 pm
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language fluently Source: wvrw.actfl.arg/14a/ pages/index cfm?pageld_3782)- Suppose that In a recent
sample of 280 Americans, 69 speak their native language and another language fluently. Is there
significant evidence at the 10% significance level that the percentage of all Americans who speak their
native language and another language fluently Is different from 9.3%?
4. As noted in U.5. Senate Resolution 28.9.3% of Americans speak their native language and another language fluently (Source: www.actfi.org/142/pages/Index.cfm?pageld_3782). Suppose that in a recent sample of 880 Americans, 69 speak their native language and another language fluently. Is there significant evidence at the 10% significance level that the percentage of all Americans who speak their native language and another language fluently is different from 9.3%?