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in a presidential election, 308 out of 611 voters surveyed said that they voted for the candidate who who. The claim is that among voters the percentage who believe that they voted for the winning candidate is equal to 43%. find a test statistic for the proportion.

in a presidential election 308 out of 611 voters surveyed said that they voted for the candidate who who The claim is that among voters the percentage who belie class=


Answer :

The test statistic is given by

[tex]\frac{\frac{308}{611}-0.43}{\sqrt{\frac{(1-0.43)(0.43)}{611}}}[/tex]

The result is 3.699288767

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