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A sample of 1000 people that live in a large city was asked if they believed...

  1. A sample of 1000 people that live in a large city was asked if they believed that the city’s sales tax proposal was warranted. If at least two-thirds of the city’s citizens believe that the sales tax is warranted, then the mayor will take immediate steps to formally propose the tax. The survey responses showed that 692 of the 1000 people surveyed believe that the tax proposal is warranted.
    1. Write the appropriate null and alternative hypotheses for the one-tailed test that could be used to determine if this test provides statistically significant evidence that the proposal has the required level of support.
    2. Find the test statistic.
    3. Find the critical value for α=0.05.
    4. What is the result of the hypothesis test? Why?
Math   Statistics-And-Probability   
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