Refer to problem (9). Using the formula on page 444 in our textbook, construct the 95% confidence in


Question: The places people turn for news is different for various age groups. Suppose that a study conducted on this issue involved two age groups: respondents in the 36 – 50 year age group, and respondents in the over 50 age group. The question was asked how many got their news primarily from newspapers. The results are given below. Use a = 0.05 and test the claim that there is no difference in the proportions of the two age groups. Follow the guidelines on page 438 in our textbook. Report the p-value for the test.

36 – 50 year olds Over 50 year olds
\[{{x}_{1}}=82\] \[{{x}_{2}}=104\]
\[{{n}_{1}}=200\] \[{{n}_{2}}=200\]

Population proportion \[{{p}_{1}}\] Population proportion \[{{p}_{2}}\]

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