Random sample of registered iowa voters

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Reference no: EM1385752

The following data represent political party by age from a random sample of registered Iowa voters.

17-29 30-44 45-64 65+ Total

Republican      224     340     1075   561 2200
Democrat        184     384    773   459 1800
Total               408     724 1848 1020 4000

a. Are the events "Republican" and "30-44" independent? Justify your answer.

b. Are the events "Democrat" and "65+" independent? Justify your answer.

c. Are the events "17-29" and "45-64" mutually exclusive? Justify your answer.

d. Are the events "Republican" and "45-64" mutually exclusive? Justify your answer.

Reference no: EM1385752

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