According to the Stanford School of Medicine Blood Center, blood type for Americans is distributed as follows: Type Percentage O 44% A 42% B 10% AB 4% A random sample of 300 Americans is selected and the blood type is recorded for each. The data is summarized in the table below. Type Frequency O 134 A 116 B 28 AB 22 A Chi-square Goodness of Fit Test is conducted to test the hypotheses: Ho: The observed frequencies are consistent with the stated percentages. (The distribution of blood type appears to be correct.) HA: The observed frequencies are inconsistent with the stated percentages. (At least one of the stated percentages is incorrect.)

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