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The mayor of a town has proposed a plan for the construction of a new bridge....

The mayor of a town has proposed a plan for the construction of a new bridge. A political study took a sample of 900 voters in the town and found that 70% of the residents favored construction. Using the data, a political strategist wants to test the claim that the percentage of residents who favor construction is over 66%. Determine the P-value of the test statistic. Round your answer to four decimal places.

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Answer #1

Solution :

= 0.70

Test statistic = z

= - P0 / [P0 * (1 - P0 ) / n]

= 0.70 - 0.66 / [(0.66 * 0.34) / 900]

= 2.533

P-value = 0.0057

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